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TPS652170

ACTIVE

User programmable power management IC (PMIC) with 3 DC/DCs, 4 LDOs, battery charger and LED driver

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Data sheet

TPS652170

ACTIVE
Data sheet Order now

Product details

Regulated outputs (#) 9 Configurability User programmable Vin (min) (V) 2.75 Vin (max) (V) 5.8 Vout (min) (V) 0.9 Vout (max) (V) 3.3 Iout (max) (A) 1.2 Features Comm control, Dynamic voltage scaling, I2C control, Power good, Power sequencing Step-up DC/DC converter 1 Step-down DC/DC converter 3 Step-down DC/DC controller 0 Step-up DC/DC controller 0 LDO 4 Iq (typ) (mA) 0.08 Rating Catalog Switching frequency (max) (kHz) 2550 Operating temperature range (°C) -40 to 105 Processor supplier Texas Instruments Processor name Sitara AM335x Shutdown current (ISD) (typ) (µA) 6 Switching frequency (typ) (kHz) 2250 Product type Processor and FPGA
Regulated outputs (#) 9 Configurability User programmable Vin (min) (V) 2.75 Vin (max) (V) 5.8 Vout (min) (V) 0.9 Vout (max) (V) 3.3 Iout (max) (A) 1.2 Features Comm control, Dynamic voltage scaling, I2C control, Power good, Power sequencing Step-up DC/DC converter 1 Step-down DC/DC converter 3 Step-down DC/DC controller 0 Step-up DC/DC controller 0 LDO 4 Iq (typ) (mA) 0.08 Rating Catalog Switching frequency (max) (kHz) 2550 Operating temperature range (°C) -40 to 105 Processor supplier Texas Instruments Processor name Sitara AM335x Shutdown current (ISD) (typ) (µA) 6 Switching frequency (typ) (kHz) 2250 Product type Processor and FPGA
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 TPS652170 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 TPS652170 device comes in a 48-pin leadless package (6-mm × 6-mm VQFN) with a 0.4-mm pitch.

The TPS652170 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 TPS652170 device comes in a 48-pin leadless package (6-mm × 6-mm VQFN) with a 0.4-mm pitch.
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* Data sheet TPS652170 Programmable PMIC for Battery-Powered Systems datasheet PDF | HTML 11 Jun 2019

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