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TPS65217BRSLT

Power Management IC, Li-Ion and Li-Polymer batteries, 3.6 V Supply, VQFN-48

TEXAS INSTRUMENTS TPS65217BRSLT
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Manufacturer Part No:
TPS65217BRSLT
Order Code:
3009152

Product Overview

The TPS65217BRSLT is a single-chip Power Management IC specifically designed to support applications in portable and 5V non-portable applications. It provides a linear battery charger for single-cell Li-ion and Li-Polymer batteries, dual-input power path, three step-down converters, four LDOs 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, 5VAC adaptor or Li-Ion battery. The device is characterized across a -40 to +105°C temperature range. Three high-efficiency 2.25MHz step-down converters can provide the core voltage, memory and I/O voltage for a system. This step-down converter enters a low power mode at light load for maximum efficiency across the widest possible range of load currents. For low-noise applications the devices can be forced into fixed frequency PWM using the I2C interface.
  • Charger/power path - 2A output current on power path
  • Charger/power path - 20V tolerant USB and AC inputs
  • Charger/power path - thermal regulation, safety timers
  • Charger/power path - temperature sense input
  • Step-down converter (DCDC1, 2, 3) - Three step-down converters with integrated switching FETs
  • Step-down converter (DCDC1, 2, 3) - Power save mode at light load current
  • Step-down converter (DCDC1, 2, 3) - 100% duty cycle for lowest dropout
  • Step-down converter (DCDC1, 2, 3) - Passive discharge to ground when disabled
  • LDOs (LDO1, 2) - two adjustable LDOs
  • LDOs (LDO1, 2) - LD02 can be configured to track DCDC3
  • LDOs (LDO1, 2) - typical 15pA quiescent current
  • Load switches (LDO3, 4) - two independent load switches that can be configured as LDOs
  • WLED driver - Internally generated PWM for dimming control
  • WLED driver - supports two strings of up to 10 LEDs at 25mA each
  • WLED driver - Internal low-side current sinks
  • Protection - Undervoltage lockout and battery fault comparator
  • Protection - Always-on push-button monitor
  • Protection - Hardware reset pin
  • Interface - password protected I2C registers

Applications

Portable Devices, Industrial, Power Management

Product Information

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:
3.6V

:
3

:
4

:
7

:
VQFN

:
48Pins

:
-40°C

:
105°C

:
-

:
-

:
MSL 3 - 168 hours
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Technical Docs (1)

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Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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More stock available to supplier lead times which is approximately 11/7/22

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