Product details

Regulated outputs (#) 9 Vin (Min) (V) 2.75 Vin (Max) (V) 5.8 Iout (Max) (A) 1.2 Rating Catalog Step-down DC/DC controller 0 Step-down DC/DC converter 4 Step-up DC/DC controller 0 Step-up DC/DC converter 1 LDO 4 Iq (Typ) (mA) 0.08 Features Comm Control Operating temperature range (C) -40 to 105 Processor name AM335x Processor supplier Texas Instruments Shutdown current (ISD) (Typ) (uA) 6 Configurability Factory programmable, Software configurable
Regulated outputs (#) 9 Vin (Min) (V) 2.75 Vin (Max) (V) 5.8 Iout (Max) (A) 1.2 Rating Catalog Step-down DC/DC controller 0 Step-down DC/DC converter 4 Step-up DC/DC controller 0 Step-up DC/DC converter 1 LDO 4 Iq (Typ) (mA) 0.08 Features Comm Control Operating temperature range (C) -40 to 105 Processor name AM335x Processor supplier Texas Instruments Shutdown current (ISD) (Typ) (uA) 6 Configurability Factory programmable, Software configurable
VQFN (RSL) 48 36 mm² 6 x 6
  • Charger and Power Path
    • 2-A Output Current on Power Path
    • Linear Charger; 700-mA Maximum Charge Current
    • 20-V Tolerant USB and AC Inputs
    • Thermal Regulation, Safety Timers
    • Temperature Sense Input
  • Step-Down Converter (DCDC1, DCDC2, DCDC3)
    • Three Step-Down Converter With Integrated Switching FETs
    • 2.25-MHz Fixed Frequency Operation
    • Power-Save Mode at Light-Load Current
    • Output Voltage Accuracy in PWM Mode ±2%
    • 100% Duty Cycle for Lowest Dropout
    • Typical 15-µA Quiescent per Converter
    • Passive Discharge to Ground When Disabled
  • LDO Regulators (LDO1, LDO2)
    • Two Adjustable LDOs
    • LDO2 can be Configured to Track DCDC3
    • Typical 15-µA Quiescent Current
  • Load Switches (LDO3, LDO4)
    • Two Independent Load Switches That Can Be Configured as LDOs
  • WLED Driver
    • Internally Generated PWM for Dimming Control
    • 38-V Open-LED Protection
    • Supports Two Strings of up to 10 LEDs at 25 mA Each
    • Internal Low-Side Current Sinks
  • Protection
    • Undervoltage Lockout and Battery Fault Comparator
    • Always-On Push-Button Monitor
    • Hardware Reset Pin
    • Password Protected I2C Registers
  • Interface
    • I2C Interface (Address 0x24)
    • Password-Protected I2C Registers
  • Charger and Power Path
    • 2-A Output Current on Power Path
    • Linear Charger; 700-mA Maximum Charge Current
    • 20-V Tolerant USB and AC Inputs
    • Thermal Regulation, Safety Timers
    • Temperature Sense Input
  • Step-Down Converter (DCDC1, DCDC2, DCDC3)
    • Three Step-Down Converter With Integrated Switching FETs
    • 2.25-MHz Fixed Frequency Operation
    • Power-Save Mode at Light-Load Current
    • Output Voltage Accuracy in PWM Mode ±2%
    • 100% Duty Cycle for Lowest Dropout
    • Typical 15-µA Quiescent per Converter
    • Passive Discharge to Ground When Disabled
  • LDO Regulators (LDO1, LDO2)
    • Two Adjustable LDOs
    • LDO2 can be Configured to Track DCDC3
    • Typical 15-µA Quiescent Current
  • Load Switches (LDO3, LDO4)
    • Two Independent Load Switches That Can Be Configured as LDOs
  • WLED Driver
    • Internally Generated PWM for Dimming Control
    • 38-V Open-LED Protection
    • Supports Two Strings of up to 10 LEDs at 25 mA Each
    • Internal Low-Side Current Sinks
  • Protection
    • Undervoltage Lockout and Battery Fault Comparator
    • Always-On Push-Button Monitor
    • Hardware Reset Pin
    • Password Protected I2C Registers
  • Interface
    • I2C Interface (Address 0x24)
    • Password-Protected I2C Registers

The TPS65217x is a single-chip power management IC (PMIC) specifically designed to power the AM335x ARM® Cortex®-A8 processor in portable and 5-V line-powered applications. The PMIC device provides a linear battery charger for single-cell Li-ion and Li-polymer batteries, dual-input power path, three step-down converters, four low-dropout (LDO) regulators, and a high-efficiency boost converter to power two strings of up to 10 LEDs each. The system can be supplied by any combination of USB port, 5-V AC adaptor, or Li-Ion battery. The device is characterized across a –40°C to +105°C temperature range which makes it suitable for industrial applications. Three high-efficiency 2.25-MHz step-down converters can providing the core voltage, memory, and I/O voltage for a system. The TPS65217x device comes in a 48-pin leadless package (6-mm × 6-mm VQFN) with a 0.4-mm pitch.

The TPS65217x is a single-chip power management IC (PMIC) specifically designed to power the AM335x ARM® Cortex®-A8 processor in portable and 5-V line-powered applications. The PMIC device provides a linear battery charger for single-cell Li-ion and Li-polymer batteries, dual-input power path, three step-down converters, four low-dropout (LDO) regulators, and a high-efficiency boost converter to power two strings of up to 10 LEDs each. The system can be supplied by any combination of USB port, 5-V AC adaptor, or Li-Ion battery. The device is characterized across a –40°C to +105°C temperature range which makes it suitable for industrial applications. Three high-efficiency 2.25-MHz step-down converters can providing the core voltage, memory, and I/O voltage for a system. The TPS65217x device comes in a 48-pin leadless package (6-mm × 6-mm VQFN) with a 0.4-mm pitch.

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Technical documentation

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Type Title Date
* Data sheet TPS65217x Single-Chip PMIC for Battery-Powered Systems datasheet (Rev. I) 23 Mar 2018
Application note TPS65217x Schematic Checklist (Rev. C) 08 Apr 2020
Application note How to Design Flexible Processor Power Systems Using PMICs (Rev. B) 27 Jan 2020
Application note AM335x PMIC Selection Guide (Rev. A) 19 Sep 2019
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
Technical article Are you smarter than a fifth-generation appliance? 15 May 2018
Application note Designing Robust TPS65217 Systems for VIN Brownout 10 Oct 2017
User guide TPS65217 EVM User's Guide. (Rev. C) 11 Jan 2017
White paper Simple power rail sequencing solutions for complex multi-rail systems 06 Jul 2016
Technical article How can watchdog save your system from catastrophic damages? 09 Dec 2015
Application note Basic Calculation of a Buck Converter's Power Stage (Rev. B) 17 Aug 2015
User guide Powering the AM335x with the TPS65217x . (Rev. I) 06 Sep 2014
Technical article How to Power the New Sitara AM335x Family 10 Apr 2012

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