* 4.0-4.35 V battery voltage range with capacity up to 200 mA.h * Power-path management to support system powering during battery charging (optional) * PowerLine Communication interface (optional data path) * Continuous battery voltage monitoring enabling state-of charge indicators at system level * JEITA-compliant thermal regulation and shutdown

Key Benefits

  • Highly integrated stand-alone IP (inc. power pads)
  • Single 3.5-5.5 V power supply
  • Programmable fast charge current: 10-200 mA
  • Prog. Trickle/EOC currents: 1.25-20 mA
  • Safety protections
  • * Input UV/OV Lock-Out
  • * JEITA thermal monitoring for battery & die
  • * Charging watchdog timeouts
  • Digital controller w/ serial programming interface

Key Features

PARAMETERS CONDITION
Minimum value
Typical value
Maximum value
Input Voltage
- 3.5 V 5.5 V
Output Voltage
- 4.35 V
Output current configuration
- - 200 mA -

Applications

  • Hearing aids
  • Smart Headset
  • TWS Earpods

Key Performances

  • Low BoM cost : only 1 specific capacitor (+ 1 NTC)
  • Low silicon area : < 0.5 mm²
  • Battery voltage charge termination:
  • * 4.0-4.35 V range, 50 mV step
  • * +/-2.5% accuracy or +/-0.5% if trimmed
  • Battery monitoring w/ 10 mV resolution
  • Low Iq : < 0.6µA shutdown, < 0.3µA shipment

Technical information

  • Technology: TSMC 22 uLL