JAJSHJ9A June 2019 – January 2021 BQ25125
PRODUCTION DATA
The input current limit threshold is user programmable through an external resistor or through registers over I2C. Set the input current limit using the ILIM pin by connecting a resistor from ILIM to GND using Table 9-4 for guidance. If no ILIM resistor is connected and the pin is tied to GND, the default ILIM register value is used. The external value is not valid once the device enters host mode.
ILIM | KILIM | RILIM (STANDARD 1% VALUES) | UNIT | ||||
---|---|---|---|---|---|---|---|
MIN | TYP | MAX | MIN | TYP | MAX | ||
0.048469388 | 0.051020408 | 0.053571429 | 190 | 200 | 210 | 3920 | Ω |
0.09047619 | 0.095238095 | 0.1 | 190 | 200 | 210 | 2100 | Ω |
0.146153846 | 0.153846154 | 0.161538462 | 190 | 200 | 210 | 1300 | Ω |
0.19 | 0.2 | 0.21 | 190 | 200 | 210 | 1000 | Ω |
0.285714286 | 0.30075188 | 0.315789474 | 190 | 200 | 210 | 665 | Ω |
0.380761523 | 0.400801603 | 0.420841683 | 190 | 200 | 210 | 499 | Ω |
The device has register programmable input current limits from 50 mA to 400 mA in 50-mA steps. The device is USB-IF compliant for inrush current testing, assuming that the input capacitance to the device is selected to be small enough to prevent a violation (<10 µF), as this current is not limited.