SLUUCO1 July 2022 BQ25172
Table 1-1 lists the input and output connections available on this EVM and their respective descriptions.
| I/O Connector | Description |
|---|---|
| J1 – VIN / GND | Input voltage from external power supply, recommended 5V. Max operating input voltage is 6.6V, OVP trip point. Max input voltage is 30V while in OVP. |
| J2 – OUT (BAT+) / GND (BAT-) / GND / TS | Battery connection, TS should be 10k NTC but not needed. |
| JP1 – VSET ADJ | Disable R9, default is installed. |
| JP2 – REG / IN / OUT | Source voltage for housekeeping regulator, U2. Default Input voltage IN. |
| JP3 – TMR | Connection to TMR pin |
| JP4 – ISET | Sets Fast Charge Current. Fixed=400mA ADJ= R22 range 60mA to 600mA |
| JP5 - STAT LED | Default setting is ON. |
| JP6 – TS | NTC temp sensor. Fixed=10k (safe) ADJ=R19 range from 0 to 50k ohms. Default Fixed. |
| JP7 - TMR ADJ | Bypasses R18 for TMR connection to S2 |
| JP8 | Not used, do not install |
| JP9 | Not used, do not install |
Table 1-2 lists the S1 switch positions for VSET and their respective descriptions. Use only one postion ON, do not combine.
| Position / RX / Value | NiMH Configuration |
|---|---|
| #1 / R1 / 27k ohm | 2-Cell + Intermittent |
| #2 / R2 / 24k ohm | 3-Cell |
| #3 / R3 / 18k ohm | 3-Cell + Intermittent |
| #4 / R4 / 11k ohm | 4-Cell + Intermittent |
| #5 / R5 / 6.2k ohm | 5-Cell + Intermittent |
| #6 / R6 / 4.7k ohm | 6-Cell |
| #7 / R7 / 3.6k ohm | 6-Cell + Intermittent |
| #8 / R8 / 0 ohm | Short Circuit – No Charge |
| Position / RX / Value | Charge Timer (HR) |
|---|---|
| #11 / R11 / 36k ohm | 4hr |
| #12 / R12 / 18.2k ohm | 10hr |
| #13 / R13 / 6.2k ohm | 18hr |
| #14 / R14 / 0 ohm | 0hr (Short-Circuit) |