Productos
The BQ24192IRGER from Texas Instruments is an I2C controlled 4.5A single-cell switch-mode battery charger with Narrow VDC (NVDC) power path management and USB OTG boost capability. Designed for Li-Ion/Li-Polymer batteries, it integrates synchronous MOSFETs, current sensing, and supports input voltages from 3.9V to 17V in a 24-pin VQFN package.
Especificaciones
| Charge Current (max) | 4.5 A |
| Cell Configuration | 1-cell Li-Ion/Li-Polymer |
| Input Voltage Range | 3.9V to 17V |
| Interface | I2C |
| Switching Frequency | 1.5 MHz |
| Battery Discharge MOSFET RDS(on) | 12 mOhm typical |
| Charge Accuracy | +/-0.5% voltage, +/-7% current |
| USB OTG Boost | 5V at 1.3 A (93% efficiency at 1A) |
| Paquete | VQFN-24 (4.0 x 4.0 mm) |
| Temperatura de funcionamiento | -40C to +85C |
Características
- Narrow VDC power path: instant-on with no/depleted battery
- High efficiency: 92% at 2A, 90% at 4A charge current
- I2C interface with full register control
- USB BC1.2 compliant input detection
- USB OTG boost: 5V/1.3A synchronous boost converter
- Comprehensive safety: thermal regulation, OVP, OCP, NTC monitoring
Aplicaciones
- Tablets and smartphones
- Portable media players and speakers
- Industrial handheld devices
- 4G LTE routers and IoT gateways