BQ25970YFFR
ActiveI2C 1CELL 8A SWITCHED CAP BATTERY CHARGER FOR PARALLEL CHARGING APPLICATION AND EXTERNAL OVP SUPPORT
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BQ25970YFFR
ActiveI2C 1CELL 8A SWITCHED CAP BATTERY CHARGER FOR PARALLEL CHARGING APPLICATION AND EXTERNAL OVP SUPPORT
Technical Specifications
Parameters and characteristics for this part
| Specification | BQ25970YFFR |
|---|---|
| Battery Chemistry | Multi-Chemistry |
| Battery Pack Voltage | 4.65 V |
| Charge Current - Max [Max] | 8 A |
| Fault Protection | Over Current, Over Voltage |
| Interface | I2C |
| Mounting Type | Surface Mount |
| Number of Cells | 1 |
| Operating Temperature [Max] | 85 °C |
| Operating Temperature [Min] | -40 °C |
| Package / Case | DSBGA, 56-UFBGA |
| Supplier Device Package | 56-DSBGA, 3.33x2.93 |
| Voltage - Supply (Max) [Max] | 12 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Cut Tape (CT) | 1 | $ 6.18 | |
| 10 | $ 5.55 | |||
| 25 | $ 5.25 | |||
| 100 | $ 4.55 | |||
| 250 | $ 4.32 | |||
| 500 | $ 3.87 | |||
| 1000 | $ 3.27 | |||
| Digi-Reel® | 1 | $ 6.18 | ||
| 10 | $ 5.55 | |||
| 25 | $ 5.25 | |||
| 100 | $ 4.55 | |||
| 250 | $ 4.32 | |||
| 500 | $ 3.87 | |||
| 1000 | $ 3.27 | |||
| Tape & Reel (TR) | 3000 | $ 2.89 | ||
| Texas Instruments | LARGE T&R | 1 | $ 4.67 | |
| 100 | $ 3.81 | |||
| 250 | $ 3.00 | |||
| 1000 | $ 2.54 | |||
Description
General part information
BQ25970 Series
The BQ2597x is a 97% efficient, 8-A battery charging solution using a switched cap architecture. This architecture and the integrated FETs are optimized to enable a 50% duty cycle, allowing the cable current to be half the current delivered to the battery, reducing the losses over the charging cable as well as limiting the temperature rise in the application.
The dual-phase architecture reduces the input cap requirements as well as reducing the output voltage ripple. When used with a standard charger such as the BQ2589x, the system enables the fastest charging at the lowest power loss from pre-charge through CC, CV, and termination.
The device integrates all the necessary protection features to ensure safe charging, including input over-voltage and over-current protection, output over-voltage and over-current protection, temperature sensing for the battery and cable, and monitoring the die temperature.
Documents
Technical documentation and resources