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IDProjectCategoryView StatusLast Update
0001320Hardware for PC and servers[All Projects] Generalpublic2024-06-06 17:00
ReporterDigitalMy 
PrioritynormalSeverityminorReproducibilityhave not tried
Status assignedResolutionopen 
Summary0001320: Repair battery Sony VGP-BPS24
DescriptionRechargeable battery pack 11.1V 4400mAh 49Wh lithium ion
6pcs 35W US496764E 1S (3 pairs 3.7V)
Cannot be detected by laptop computer Sony SVS15
Connector is 7-pin in one row,
same Sony battery used in laptops VPCSA VPCSB VPCSE SVS13 series
TagsNo tags attached.

Activities

DigitalMy

2020-05-01 10:34

administrator   ~0002896

battery connector:
TP267 - BT+_Load
TP268 - BATT_ID
TP269 - DAT_SMB
TP270 - CLK_SMB
TP271 - BATT_PRS#_1
TP272 - SYS_PRS#_1
TP273 - GND

DigitalMy

2020-05-01 10:36

administrator   ~0002897

VREF=3.3V->VDAC
Vbat=cell count*[4V+0.5*(Vadj/Vvadc)]=12.48V
(Vbat=4.2V when Vadj connected to REGN)
ACP and ACN connections must be make using Kelvin-sense connections
Icharge=(Vsrset/Vvdac)*(0.1/PR15)=1.5A
Iadapter=(Vacset/Vvdac)*(0.1/PR4)=4.4A
IADAPT=(Vacp - Vacn)*20
Input OCP: (VACP-VACN)max/PR4=100mV/20mohm=6.6A
Input OVP : 22.2V
ENCHG# : Enable ==> L
Disable ==> H
Input UVP : 17V
Battery OCP : Icharge*145%
Battery OVP : Vbat*104%
Pre-charge : <2.9V/cell ===> Icharge/8
ACGOOD# : Vacdet > 2.4V ==> L
Vacdet < 2.4V ==> H
Battery OTP : Tshut=155 degree
Fsw : 300KHz

DigitalMy

2020-05-01 10:47

administrator   ~0002898

Last edited: 2020-05-01 11:07

View 2 revisions

Control board is double layer CN601 EP GW 1-887-310-11 OPC 94V0 EF-15
with thermistor 103FP0
with chip bq8050
-> find firmware and load to chip

DigitalMy

2024-06-06 17:00

administrator   ~0014271

can use VGP-BPSC29 external battery - got one for test

VGP-BPSC29.jpg (84,234 bytes)
VGP-BPSC29.jpg (84,234 bytes)