La-c701p charging problem

[biosedit]

can any one help us with charging problem
bq737 ic was damage i changed it but now plug in charging,but percentage not going up laptop 5558

[mcplslg123]

Re: La-c701p charging problem

Where is the measurement of all pins of charging IC??

[diegosgarcia81]

Re: La-c701p charging problem

i have the same problem

[diegosgarcia81]

Re: La-c701p charging problem

1. ACN - 19v
2. ACP - 19v
3. CMPOUT - 0V (0)
4. CMPIN - GND
5. ACOK - 0V (0)
6. ACDET - 2.45V
7. IOUT - 0V (0)
8. SDA - 3.24V
9. SCL - 3.24V
10. ILIM - 2.96v
11. BM# - 3.22v
12. SRN - 14.74v
13. SRP - 14.74v
14. GND
15. LODRV - 0V (0)
16. REGN - 5.91v
17. BTST - 14.43v
18. HIDRV - 14.77v
19. PHASE - 14.77v
20. VCC - 19v

[luckydip]

Re: La-c701p charging problem

I would recheck if the chip has been soldered correcty - Pin 5 ACOK should be around 3v

[piernov]

Re: La-c701p charging problem

ACOK is active low on bq24737.