ZHCSMQ1A april 2020 – april 2021 BQ25170
PRODUCTION DATA
VSET pin is used to program the device regulation voltage at end-of-charge using a ±1% pulldown resistor. The available pulldown resistor and corresponding charging levels are:
| RESISTOR | CHARGE VOLTAGE (V) |
|---|---|
| > 150 kΩ | No Charge (open-circuit) |
| 100 kΩ | 1-cell LiFePO4: 3.50 V |
| 82 kΩ | 1-cell LiFePO4: 3.60 V |
| 62 kΩ | 1-cell LiFePO4: 3.70 V |
| 47 kΩ | 1-cell LiIon: 4.05 V |
| 36 kΩ | 1-cell LiIon: 4.10 V |
| 27 kΩ | 1-cell LiIon: 4.20 V |
| 24 kΩ | 1-cell LiIon: 4.35 V |
| 18 kΩ | 1-cell LiIon: 4.40 V |
| < 3.0 kΩ | No Charge (short-circuit) |
If either a short- or open-circuit condition is detected, charger stops operation and remains in the FAULT state until the input or TS pin is toggled.
Once a valid resistor value has been detected, the corresponding charge voltage is latched in and the pin is not continuously monitored during operation. A change in this pin will not be acknowledged by the IC until the input supply or TS pin is toggled.