TPS65218 is not recommended for new designs.
This product continues to be in production to support existing customers. Please consider one of these alternatives:
Drop-in replacement with upgraded functionality to the compared device.
TPS65218D0 ACTIVE Integrated power management (PMIC) for ARM® Cortex™-A8/A9 SOCs and FPGAs This product offers a wider adjustable current limit range (1-A to 5-A).

Product details

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  • Three Adjustable Step-Down Converters With Integrated Switching FETs (DCDC1, DCDC2, and 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 from 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 4 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, and 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 from 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 4 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)

The TPS65218 is a single chip power management IC, specifically designed to support both portable (Li-Ion battery) and non-portable (5-V adapter) applications.The device is characterized across a –40°C to +105°C temperature range, making it suitable for a wide range of industrial applications.

The TPS65218 is a single chip power management IC, specifically designed to support both portable (Li-Ion battery) and non-portable (5-V adapter) applications.The device is characterized across a –40°C to +105°C temperature range, making it suitable for a wide range of industrial applications.

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Technical documentation

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Type Title Date
* Data sheet TPS65218 Power Management for ARM® Cortex™-A8/A9 SOCs and FPGA datasheet (Rev. E) PDF | HTML 02 Feb 2021
EVM User's guide TPS65218EVM User's Guide (Rev. B) PDF | HTML 16 Sep 2022
Application note Using LP8733xx and TPS65218xx PMICs to Power AM64x and AM243x Sitara Processors PDF | HTML 16 Feb 2022
E-book Ein Techniker-Leitfaden für Industrieroboter-Designs 25 Mar 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
E-book E-book: An engineer’s guide to industrial robot designs 12 Feb 2020
Application note How to Design Flexible Processor Power Systems Using PMICs (Rev. B) 27 Jan 2020
Application note Basic Calculations of a 4 Switch Buck-Boost Power Stage (Rev. B) 09 Jul 2018
White paper Cities grow smarter through innovative semiconductor technologies 07 Jul 2017
White paper Simple power rail sequencing solutions for complex multi-rail systems 06 Jul 2016
Technical article Fast forward your FPGA power design with TI Designs 24 Aug 2015
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
Technical article Get 5 years of shelf life with batteries less than 300 mAh 09 Mar 2015
Technical article New Hardware Modules Now Available for AM437x Processors 06 Mar 2015
Technical article How to power FPGAs fast, easy and cost-effectively using a PMIC 02 Feb 2015

Design & development

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

Evaluation board

TMDSEVM437X — AM437x evaluation module

The AM437x Evaluation Module (EVM), TMDXEVM437X, enables developers to immediately start evaluating the AM437x processor family (AM4372, AM4376,AM4377, AM4378) and begin building applications and accelerate development for HMI, industrial and networking applications. The TMDSEVM437X development (...)

User guide: PDF
Not available on TI.com
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, (...)
User guide: PDF
Evaluation board

SVT-3P-SITARA-SOMS — SVTronics system-on-module for AM437x CPU

SOM437x is a system-on-module for TI's Sitara™ AM437x processors. It has the AM437x device, DDR3, PMIC (TPS65218), eMMC/NAND FLASH, Gigabit PHY on board and uses a 2.0mm DIP connector. Except for the DDR3 and power pins, all other CPU pins have been connected to the DIP connector. Standard (...)
GUI for evaluation module (EVM)

IPG-UI — IPG-UI EVM GUI

The IPG-UI GUI can be used to configure multiple PMIC devices to evaluate the features and performance of those devices.  This GUI is build using web based technologies and supports interacting with the EVM hardware using a USB2ANY adapter board. The USB2ANY Explorer is provided to allow (...)
Reference designs

TIDEP-0093 — Electronic Point-of-Sale (EPOS) Payment Terminal Reference Design

Electronic Point of Sale (EPOS) payment terminals require features such as authenticated boot, tamper detection, DDR encryption and more. The EPOS reference design provides faster time to market with a processor that helps customers meet PCI-PTS and EMV requirements. This AM438x processor enables (...)
Design guide: PDF
Schematic: PDF
Reference designs

TIDEP0024 — AM437x Low Power Suspend Mode with LPDDR2

This low power mode implementation realizes processor power consumption less than 0.1 mW while keeping LPDDR2 memory in self refresh consuming ~ 1.6 mW. The system solution is comprised of AM437x Sitara processor, LPDDR2 memory and TPS65218 power management IC and optimized for new low power mode (...)
Design guide: PDF
Schematic: PDF
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Ordering & quality

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  • Ongoing reliability monitoring

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