* 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