Test Summary
5
SLUUC59 – October 2019
Copyright © 2019, Texas Instruments Incorporated
BQ21061EVM Evaluation Module
2.2
Charge Mode
Connect the equipment as following:
Power supply PS#1: VIN of the BQ21061 at 5V
Power supply PS#2: VBAT of the BQ21061 at 3.7V
Scope channel SC#1: VIN
Scope channel SC#2: VPMID
Scope channel SC#3: VBAT
Turn ON the supply PS#2, then turn ON the supply PS#1. The VPMID will rise to
≈
4.5 V. The device will
begin to charge as long as /CE pin jumper is disconnected(J13 being pulled off will result in the pulldown
internal to the device, charge enabled) ,the TS is left at default configuration and there are no other faults.
To adjust the charge current or change other parameters, connect the EV2400 to the EVM and then
startup BQStudio.
Select the Charger_1_00-bq21061.bqz from the charger selection. Click “Read Register” to read all the
registers and navigate to the Field View to make changes.
Figure 2. Connections for Test Setup