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TPS65218D0

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Integrated power management (PMIC) for ARM® Cortex™-A8/A9 SOCs and FPGAs

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Data sheet
Integrated power management (PMIC) for ARM® Cortex™-A8/A9 SOCs and FPGAs

TPS65218D0

ACTIVE
Data sheet Order now

Product details

Regulated outputs (#) 7 Vin (Min) (V) 2.2 Vin (Max) (V) 5.5 Iout (Max) (A) 1.8 Rating Catalog Step-down DC/DC controller 0 Step-down DC/DC converter 5 Step-up DC/DC controller 0 Step-up DC/DC converter 1 LDO 1 Iq (Typ) (mA) 0.025 Features Dynamic Voltage Scaling, Eco-mode, I2C Control, Over Current Protection, Power Good, Power Sequencing, Power Supply and System Monitoring, Thermal Shutdown, UVLO Adjustable Operating temperature range (C) -40 to 105 Processor name AM437x, AM438x, AM335x Processor supplier Texas Instruments Configurability Factory programmable, Software configurable, User programmable
Regulated outputs (#) 7 Vin (Min) (V) 2.2 Vin (Max) (V) 5.5 Iout (Max) (A) 1.8 Rating Catalog Step-down DC/DC controller 0 Step-down DC/DC converter 5 Step-up DC/DC controller 0 Step-up DC/DC converter 1 LDO 1 Iq (Typ) (mA) 0.025 Features Dynamic Voltage Scaling, Eco-mode, I2C Control, Over Current Protection, Power Good, Power Sequencing, Power Supply and System Monitoring, Thermal Shutdown, UVLO Adjustable Operating temperature range (C) -40 to 105 Processor name AM437x, AM438x, AM335x Processor supplier Texas Instruments Configurability Factory programmable, Software configurable, User programmable
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HTQFP (PHP) 48 49 mm² 7 x 7 VQFN (RSL) 48 36 mm² 6 x 6
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  • Three Adjustable Step-Down Converters With Integrated Switching FETs (DCDC1, DCDC2, DCDC3):
    • DCDC1: 1.1-V Default, up to 1.8 A
    • DCDC2: 1.1-V Default, up to 1.8 A
    • DCDC3: 1.2-V Default, up to 1.8 A
    • VIN Range From 2.7 V to 5.5 V
    • Adjustable Output Voltage Range 0.85 V to 1.675 V (DCDC1 and DCDC2)
    • Adjustable Output Voltage Range 0.9 V to 3.4 V (DCDC3)
    • Power Save Mode at Light Load Current
    • 100% Duty Cycle for Lowest Dropout
    • Active Output-Discharge When Disabled
  • One Adjustable Buck-Boost Converter With Integrated Switching FETs (DCDC4):
    • DCDC4: 3.3 V Default, up to 1.6 A
    • VIN Range From 2.7 V to 5.5 V
    • Adjustable Output Voltage Range 1.175 V to 3.4 V
    • Active Output-Discharge When Disabled
  • Two Low-Quiescent Current, High Efficiency Step-Down Converters for Battery Backup Domain (DCDC5, DCDC6)
    • DCDC5: 1-V Output
    • DCDC6: 1.8-V Output
    • VIN Range from 2.2 V to 5.5 V
    • Supplied From System Power or Coin-Cell Backup Battery
  • Adjustable General-Purpose LDO (LDO1)
    • LDO1: 1.8-V Default up to 400 mA
    • VIN Range From 1.8 V to 5.5 V
    • Adjustable Output Voltage Range From 0.9 V to 3.4 V
    • Active Output-Discharge When Disabled
  • Low-Voltage Load Switch (LS1) With 350-mA Current Limit
    • VIN Range From 1.2 V to 3.6 V
    • 110-mΩ (Max) Switch Impedance at 1.35 V
  • 5-V Load Switch (LS2) With 100-mA or 500-mA Selectable Current Limit
    • VIN Range From 3 V to 5.5 V
    • 500-mΩ (Max) Switch Impedance at 5 V
  • High-Voltage Load Switch (LS3) With 100-mA or 500-mA Selectable Current Limit
    • VIN Range From 1.8 V to 10 V
    • 500-mΩ (Max) Switch Impedance
  • Supervisor With Built-in Supervisor Function Monitors
    • DCDC1, DCDC2 ±4% Tolerance
    • DCDC3, DCDC4 ±5% Tolerance
    • LDO1 ±5% Tolerance
  • Protection, Diagnostics, and Control:
    • Undervoltage Lockout (UVLO)
    • Always-on Push-Button Monitor
    • Overtemperature Warning and Shutdown
    • Separate Power-Good Output for Backup and Main Supplies
    • I2C Interface (Address 0x24) (See Timing Requirements for I2C Operation at 400 kHz)
  • Three Adjustable Step-Down Converters With Integrated Switching FETs (DCDC1, DCDC2, DCDC3):
    • DCDC1: 1.1-V Default, up to 1.8 A
    • DCDC2: 1.1-V Default, up to 1.8 A
    • DCDC3: 1.2-V Default, up to 1.8 A
    • VIN Range From 2.7 V to 5.5 V
    • Adjustable Output Voltage Range 0.85 V to 1.675 V (DCDC1 and DCDC2)
    • Adjustable Output Voltage Range 0.9 V to 3.4 V (DCDC3)
    • Power Save Mode at Light Load Current
    • 100% Duty Cycle for Lowest Dropout
    • Active Output-Discharge When Disabled
  • One Adjustable Buck-Boost Converter With Integrated Switching FETs (DCDC4):
    • DCDC4: 3.3 V Default, up to 1.6 A
    • VIN Range From 2.7 V to 5.5 V
    • Adjustable Output Voltage Range 1.175 V to 3.4 V
    • Active Output-Discharge When Disabled
  • Two Low-Quiescent Current, High Efficiency Step-Down Converters for Battery Backup Domain (DCDC5, DCDC6)
    • DCDC5: 1-V Output
    • DCDC6: 1.8-V Output
    • VIN Range from 2.2 V to 5.5 V
    • Supplied From System Power or Coin-Cell Backup Battery
  • Adjustable General-Purpose LDO (LDO1)
    • LDO1: 1.8-V Default up to 400 mA
    • VIN Range From 1.8 V to 5.5 V
    • Adjustable Output Voltage Range From 0.9 V to 3.4 V
    • Active Output-Discharge When Disabled
  • Low-Voltage Load Switch (LS1) With 350-mA Current Limit
    • VIN Range From 1.2 V to 3.6 V
    • 110-mΩ (Max) Switch Impedance at 1.35 V
  • 5-V Load Switch (LS2) With 100-mA or 500-mA Selectable Current Limit
    • VIN Range From 3 V to 5.5 V
    • 500-mΩ (Max) Switch Impedance at 5 V
  • High-Voltage Load Switch (LS3) With 100-mA or 500-mA Selectable Current Limit
    • VIN Range From 1.8 V to 10 V
    • 500-mΩ (Max) Switch Impedance
  • Supervisor With Built-in Supervisor Function Monitors
    • DCDC1, DCDC2 ±4% Tolerance
    • DCDC3, DCDC4 ±5% Tolerance
    • LDO1 ±5% Tolerance
  • Protection, Diagnostics, and Control:
    • Undervoltage Lockout (UVLO)
    • Always-on Push-Button Monitor
    • Overtemperature Warning and Shutdown
    • Separate Power-Good Output for Backup and Main Supplies
    • I2C Interface (Address 0x24) (See Timing Requirements for I2C Operation at 400 kHz)
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The TPS65218D0 is a single chip, power-management IC (PMIC) specifically designed to support the AM335x and AM438x line of processors in both portable (Li-Ion battery) and nonportable (5-V adapter) applications. The device is characterized across a –40°C to +105°C temperature range, making it suitable for various industrial applications.

The TPS65218D0 is specifically designed to provide power management for all the functionalities of the AM438x processor. The DC/DC converters DCDC1 through DCDC4 are intended to power the core, MPU, DDR memory, and 3.3-V analog and I/O, respectively. LDO1 provides the 1.8-V analog and I/O for the processor. GPIO1 and GPO2 allow for memory reset and GPIO3 allows for warm reset (335x only) of the DCDC1 and DCDC2 converters. The I2C interface allows the user to enable and disable all voltage regulators, load switches, and GPIOs. Additionally, UVLO and supervisor voltage thresholds, power-up sequence, and power-down sequence can be programmed through I2C. Interrupts for overtemperature, overcurrent, and undervoltage can be monitored as well. The supervisor monitors DCDC1 through DCDC4 and LDO1. The supervisor has two settings, one for typical undervoltage tolerance (STRICT = 0b), and one for tight undervoltage and overvoltage tolerances (STRICT = 1b). A power-good signal indicates proper regulation of the five voltage regulators.

Three hysteretic step-down converters are targeted at providing power for the processor core, MPU, and DDRx memory. The default output voltages for each converter can be adjusted through the I2C interface. DCDC1 and DCDC2 feature dynamic voltage scaling to provide power at all operating points of the processor. DCDC1 and DCDC2 also have programmable slew rates to help protect processor components. DCDC3 remains powered while the processor is in a sleep mode to maintain power to DDRx memory. Backup power provides two step-down converters for the tamper, RTC, or both domains of the processor if system power fails or is disabled. If both system power and coin-cell battery are connected to the PMIC, power is not drawn from the coin-cell battery. A separate power good signal monitors the backup converters. A battery backup monitor determines the power level of the coin-cell battery.

The TPS65218D0 device is available in a 48-pin VQFN package (6 mm × 6 mm, 0.4-mm pitch).

The TPS65218D0 is a single chip, power-management IC (PMIC) specifically designed to support the AM335x and AM438x line of processors in both portable (Li-Ion battery) and nonportable (5-V adapter) applications. The device is characterized across a –40°C to +105°C temperature range, making it suitable for various industrial applications.

The TPS65218D0 is specifically designed to provide power management for all the functionalities of the AM438x processor. The DC/DC converters DCDC1 through DCDC4 are intended to power the core, MPU, DDR memory, and 3.3-V analog and I/O, respectively. LDO1 provides the 1.8-V analog and I/O for the processor. GPIO1 and GPO2 allow for memory reset and GPIO3 allows for warm reset (335x only) of the DCDC1 and DCDC2 converters. The I2C interface allows the user to enable and disable all voltage regulators, load switches, and GPIOs. Additionally, UVLO and supervisor voltage thresholds, power-up sequence, and power-down sequence can be programmed through I2C. Interrupts for overtemperature, overcurrent, and undervoltage can be monitored as well. The supervisor monitors DCDC1 through DCDC4 and LDO1. The supervisor has two settings, one for typical undervoltage tolerance (STRICT = 0b), and one for tight undervoltage and overvoltage tolerances (STRICT = 1b). A power-good signal indicates proper regulation of the five voltage regulators.

Three hysteretic step-down converters are targeted at providing power for the processor core, MPU, and DDRx memory. The default output voltages for each converter can be adjusted through the I2C interface. DCDC1 and DCDC2 feature dynamic voltage scaling to provide power at all operating points of the processor. DCDC1 and DCDC2 also have programmable slew rates to help protect processor components. DCDC3 remains powered while the processor is in a sleep mode to maintain power to DDRx memory. Backup power provides two step-down converters for the tamper, RTC, or both domains of the processor if system power fails or is disabled. If both system power and coin-cell battery are connected to the PMIC, power is not drawn from the coin-cell battery. A separate power good signal monitors the backup converters. A battery backup monitor determines the power level of the coin-cell battery.

The TPS65218D0 device is available in a 48-pin VQFN package (6 mm × 6 mm, 0.4-mm pitch).

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Technical documentation

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Type Title Date
* Data sheet TPS65218D0 Power Management for ARM Cortex-A8/A9 SOCs and FPGAs datasheet (Rev. B) 28 Sep 2018
Technical article 3 quiescent-current (Iq) specifications you need to understand 12 Nov 2021
Application note Powering Processors and FPGAs With a Single Family of PMICs (Rev. A) 14 Apr 2020
Application note TPS6521815 Power Management IC (PMIC) for Industrial Applications (Rev. A) 28 Feb 2020
User guide Powering the AM335x, AM437x, and AM438x with TPS65218D0 (Rev. B) 27 Feb 2020
Application note How to Design Flexible Processor Power Systems Using PMICs (Rev. B) 27 Jan 2020
Application note Powering the NXP i.MX 6Solo, 6DualLite with the TPS6521815 PMIC (Rev. A) 09 Dec 2019
Application note Powering the NXP i.MX 7 Processor with the TPS6521815 PMIC (Rev. A) 09 Dec 2019
Application note Powering the NXP i.MX 8M Mini and Nano with the TPS6521825 and LP873347 PMICs (Rev. B) 09 Dec 2019
Application note AM335x PMIC Selection Guide (Rev. A) 19 Sep 2019
Application note Basic Calculations of a 4 Switch Buck-Boost Power Stage (Rev. B) 09 Jul 2018
User guide BOOSTXL-TPS65218 EVM User's Guide 31 May 2018
Third party documents Optimizing power delivery with PMICs 12 Dec 2017
White paper Simple power rail sequencing solutions for complex multi-rail systems 06 Jul 2016
Application note Basic Calculation of a Buck Converter's Power Stage (Rev. B) 17 Aug 2015
White paper Advantages of PMIC converters with enhanced hysteretic-mode control 30 Mar 2015
User guide TPS65218EVM User's Guide 13 Aug 2014

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

BOOSTXL-TPS65218 — TPS65218 Customer Programming BoosterPack

The TPS65218 Customer Programming BoosterPack uses an MSP430F5529 Launchpad in order to enable customer programming of the non-volatile memory of the TPS65218D0 Power Management IC. The BOOSTXL-TPS65218 features a socket for programming units before soldering down on TPS65218EVM-100 or customer (...)
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Evaluation board

TMDXEVM438X-EPOS — AM438x Electronic Point of Sale (EPOS) Evaluation Module

The AM438x Electronic Point of Sale (EPOS) Evaluation Module (EVM) enables developers to evaluate the TI SitaraTM AM438x processor family (AM4382, AM4384 and AM4388) and begin building Point of Sale (POS) applications such as handheld Electronic Financial Transaction (EFT) terminals, pin pads, (...)
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Evaluation board

TPS65218EVM-100 — TPS65218 Evaluation Module

The TPS65218EVM is a fully assembled platform for evaluating the performance of the TPS65218 power management device.

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GUI for evaluation module (EVM)

BOOSTXL-TPS65218 IPG-UI Device Support File

SLVC750.ZIP (17614 KB)
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Simulation model

TPS65218xx PSpice Transient Model

SLDM022.ZIP (1460 KB) - PSpice Model
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CAD/CAE symbol

TPS65218xxRSL CAD Files

SLVRBF4.ZIP (73 KB)
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Reference designs

TIDA-00606 — Altera Cyclone V power reference design

This TPS65218-based reference design is a compact, integrated power solution for Altera® Cyclone® V (E, GX, GT) SoC (out of the Cyclone® series family of products). This design showcases TPS65218 as an all-in-one IC used to supply the rails needed for powering the Cyclone® V E, GX (...)
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Reference designs

TIDA-00478 — Powering the Xilinx Zynq 7000 series of FPGAs with power management IC reference design

This TPS65218-based reference design is a compact, integrated power solution for Xilinx® Zynq® 7010 SoC/FPGAs (out of the Zynq® 7000 series family of products). This design showcases TPS65218 as an all-in-one PMIC used to supply the five rails needed for powering the Zynq® 7010 (...)
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Reference designs

TIDA-00607 — Altera MAX 10 FPGA power reference design

This reference design is a compact, integrated power design for Altera® MAX® 10 SoC (out of the MAX® series family of products). This design showcases TPS65218 as an all-in-one IC used to supply the rails needed for powering the MAX® 10 SoC. Altera offers a single supply and (...)
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Package Pins Download
HTQFP (PHP) 48 View options
VQFN (RSL) 48 View options

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  • Ongoing reliability monitoring

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