Texas Instruments bq24295EVM-549, Руководство пользователя

Страница: 7 / 21

www.ti.com
Test Summary
• Set Pre-Charge Current Limit to 256 mA
• Un-Check Enable Termination (see Figure 5 )
Figure 5. Main Window with Enable Termination Unchecked
• Click the Read button three times, one second apart
Observe → Everything normal at FAULT box
Observe → D1 (STAT) is on
Enable Load #1 from Section 2.1.2 . Measure the system and battery voltage.
Measure → V(J3(SYS), J3(GND)) = 3.5 V ±300 mV
Measure → V(J5(BAT), J5(GND)) = 2.5 V ±200 mV
Increase the Load #1 voltage to 3.7 V.
Measure → V(J3(SYS), J3(GND)) = 3.75 V ±200 mV
Measure
→
IBAT = 500 mA ±200 mA
Measure → V(J5(BAT), J5(GND)) = 3.75 V ±200 mV
In the Software, Select Fast Charge Current, “ICHG” to 1024 mA.
Measure → Iin = 500 mA ±200 mA
2.4.2 Verify the device ID and JEITA shown in the software matches the following table:
Assy Number EVM Part Number Device ID JEITA
PWR549-001 bq24295EVM-549 bq24295 Disabled
7 SLUUAO5B – August 2013 – Revised April 2014 bq24295EVM-549 (PWR549) User’s Guide
Submit Documentation Feedback
Copyright © 2013–2014, Texas Instruments Incorporated