Product Summary

The BM309 is a highly integrated protection IC.

Parametrics

BM309 absolute maximum ratings: (1)Vcc: 5.5-40 V; (2)V_charger: Vcc+40 V; (3)Vpins: Vss-0.3~Vdd+0.3 V; (4)Topr: -40~85℃; (5)Tstg: -40~125℃.

Diagrams

BM309 block diagram

BM30-12
BM30-12
Other

Data Sheet
Negotiable 
BM3020-7
BM3020-7

EURO-CASSETTE 50W 5.1V, 2X 12V
Data Sheet
0-5: $472.23
BM3040-7
BM3040-7

EURO-CASSETTE 50W 5.1V, 2X 15V
Data Sheet
0-5: $472.23
BM30B-GHDS-G-TF(LF)(SN)
BM30B-GHDS-G-TF(LF)(SN)
JST Sales America Inc
CONN HEADER 30POS GHD VERT SMD
Data Sheet
1-1250: $0.72
BM30B-SRDS-A-G-TF(LF)(SN)
BM30B-SRDS-A-G-TF(LF)(SN)
JST Sales America Inc (VA)
CONN HEADER SHD 30POS TOP W/BOSS
Data Sheet
1-10: $1.27
10-100: $1.06
100-500: $0.85
BM30B-SRDS-G-TF(LF)(SN)
BM30B-SRDS-G-TF(LF)(SN)
JST Sales America Inc
CONN HEADER SHD 30POS TOP 1MM
Data Sheet
1-1500: $0.70
1500-6000: $0.64
6000-10500: $0.56