SLUUC53A October 2020 – March 2021 BQ25300 , BQ25302 , BQ25303J
Table 1-2 lists the input and output connections available on this EVM and their respective descriptions.
| Jack | Description |
|---|---|
| J1(1) – GND | Ground |
| J1(2) – EXT_TS | Connect to thermistor of external battery |
| J1(3) – BATTERY | Positive rail of the charger battery input, connected to the positive terminal of the external battery |
| J2(1) – GND | Ground |
| J2(2) – VIN | Positive rail of the charger input voltage |
Table 1-3 lists the jumper and shunt installations available on this EVM and their respective descriptions.
| Jack | Description | BQ2530X Setting |
|---|---|---|
| SH-JP1 | EN pull-up
rail selection. 1-2 pulls EN up to external VDD (EN_CTRL either REGN or external voltage source depending on JP3 configuration). 2-3 pulls EN down to GND. |
JP1 2-3 Installed |
| SH-JP2 | POL pull-up
rail selection. 1-2 POL pull down to GND. |
Shunt Not Installed |
| SH-JP3 | EN external
VDD rail selection (EN_CTRL). 1-2 pulls EN_CTRL to external voltage supply connected to JP3-1. 2-3 pulls EN_CTRL to REGN. |
Shunt Not Installed |
| SH-JP4 | Set charge regulation voltage of BQ25306 to 4.2 V | Jumper Not Installed |
| SH-JP5 | Set charge regulation voltage of BQ25306 to 8.4 V | Jumper Not Installed |
| SH-JP6 | VSET Short
to GND. For charge regulation voltage corresponding to this setting, refer to data sheet of the respective battery charger IC shown in Table 1-1. |
Installed |
| SH-JP7 | VSET
Resistor pull down to GND of 10.2 kΩ. For charge regulation voltage corresponding to this setting, refer to data sheet of the respective battery charger IC shown in Table 1-1. |
Shunt Not Installed |
| SH-JP8 | VSET
Resistor pull down to GND of 51.1 kΩ. For charge regulation voltage corresponding to this setting, refer to data sheet of the respective battery charger IC shown in Table 1-1. |
Shunt Not Installed |
| SH-JP9 | ICHG
Resistor pull down to GND with 40.2 kΩ to set charge current to 1 A.
|
Installed |
| SH-JP10 | ICHG
Resistor pull down to GND with 20 kΩ to set charge current to 2 A.
|
Shunt Not Installed |
For recommended operating conditions, refer to data sheet of the respective battery charger IC shown in Table 1-1.