Texas Instruments BQ24190EVM Evaluation Module (D+D- Protection) BQ24190EVM-021 BQ24190EVM-021 数据表
产品代码
BQ24190EVM-021
Test Summary
8. Turn on the computer. Launch the bq2419x evaluation software. The main window of the software is
shown in
.
Figure 3. Main Window of the bq2419x Evaluation Software
2.3
Procedure
2.3.1
Current Settings
1. Make Sure EQUIPMENT SETUP steps are followed.
ILIM Setting: Set the potentiometer to its lowest value for max input current by connecting an ohm-
meter between point TP9 and ground. Turn the screw on the potentiometer counterclockwise until the
resistance drops to its lowest point (this should be in the range of 125
meter between point TP9 and ground. Turn the screw on the potentiometer counterclockwise until the
resistance drops to its lowest point (this should be in the range of 125
Ω to 175 Ω, the value of R7)
2. Launch the BQ2419x EVM GUI software, if not already done
3. Turn on PS#1
Measure
→ V (J2(SYS), J2(GND)) = 4.10 ±300 mV
6
bq24190/2/2i/3/6 and bq24292i EVM (PWR021) User's Guide
SLUUA14C – October 2012 – Revised August 2013
Copyright © 2012–2013, Texas Instruments Incorporated