| Part Number | bq25A |
| Manufacturer | Texas Instruments (https://www.ti.com/) |
| Description | The BQ24725A is a high-efficiency, synchronous battery charger, offering low component count for space-constraint, multi-chemistry battery charging applications. The BQ24725A utilizes two charge pumps to separately drive n-channel MOSFETs (ACFET, RBFET and BATFET) for automatic system power source s... |
| Features |
•1 SMBus Host-controlled NMOS-NMOS synchronous buck converter with programmable 615kHz, 750kHz, and 885kHz switching frequencies • Automatic N-channel MOSFET selection of system power source from adapter or battery driven by internal charge pumps • Enhanced safety features for over voltage protection, over current protection, battery, inductor and MOSFET short circuit protection • Programmable input current, charge voltage, charge current limits – ±0.5% Charge voltage accuracy up to 19.2V – ±3% Charge current accuracy up to 8.128A – ±3% Input current accuracy up to 8.064A – ±2% 20x Adapter cur... |
| Document |
 bq25A datasheet pdf (2.30MB)
|
| Part Number | bq25971 |
| Manufacturer | Texas Instruments |
| Title | 8-A Switched Cap Fast Chargers |
| Description | The BQ2597x is a 97% efficient, 8-A battery charging solution using a switched cap architecture. This architecture and the integrated FETs are opt. |
| Features |
•1 97% Efficient power stage for 8-A fast charge • Patent pending switched cap charger architecture optimized for 50% duty cycle – Input voltage is 2x battery voltage (3.5 V to 4.65 V) – Output current is 2x of input current (up to 4.5 A) – Reduces power loss across the cable • Integrated programmab. |
| Document | bq25971 datasheet pdf |
| Part Number | bq25970 |
| Manufacturer | Texas Instruments |
| Title | 8-A Switched Cap Fast Chargers |
| Description | The BQ2597x is a 97% efficient, 8-A battery charging solution using a switched cap architecture. This architecture and the integrated FETs are opt. |
| Features |
•1 97% Efficient power stage for 8-A fast charge • Patent pending switched cap charger architecture optimized for 50% duty cycle – Input voltage is 2x battery voltage (3.5 V to 4.65 V) – Output current is 2x of input current (up to 4.5 A) – Reduces power loss across the cable • Integrated programmab. |
| Document | bq25970 datasheet pdf |
| Part Number | bq25910 |
| Manufacturer | Texas Instruments |
| Title | Single-Cell Parallel Battery Charger |
| Description | The BQ25910 is an integrated three-level switchmode parallel battery charge management device for single cell Li-ion and Li-polymer batteries. Uti. |
| Features |
•1 Parallel charger operation provides fast charging in dual charger configuration • High efficiency 750-kHz switch mode three-level buck parallel charger – Reduced ripple to support low profile inductor – 95.4% Charge efficiency at 1.5 A from 5-V input – 93.3% Charge efficiency at 3 A from 9-V inpu. |
| Document | bq25910 datasheet pdf |
| Part Number | bq25898D |
| Manufacturer | Texas Instruments |
| Title | I2C Controlled Single Cell 4-A Fast Charger |
| Description | The bq25898, bq25898D are highly-integrated 4-A switch-mode battery charge management and system power path management devices for single cell Li-. |
| Features |
•1 High Efficiency 4-A, 1.5-MHz Switch Mode Buck Charge – 92% Charge Efficiency at 3 A and 91% Charge Efficiency at 4 A Charge Current – Optimize for High Voltage Input (9 V / 12 V) – Low Power PFM mode for Light Load Operations • USB On-the-Go (OTG) with Adjustable Output from 4.5 V to 5.5 V – Sele. |
| Document | bq25898D datasheet pdf |
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