SMB139 Datasheet, PDF (3/27 Pages) Summit Microelectronics, Inc. – Programmable Linear Battery Charger in 1.3 x 2.1 uCSP

INTERNAL BLOCK DIAGRAM
SMB139
SDA
SCL
CHGSET
EN
EEPROM
Inte rface
TRICKLE
SENSE
BATT
Prog.
Float
Voltage
Inte rnal
Temperature Limit
Prog. Cold Limit
THERM
Prog. Hot Limit
Registers
Charge
Control
Control
Inte rnal VDD
Regulator
VDDCAP
IN
WELL
Control
VDDCAP
OUT
Programmable
Curre nt
Figure 2 – Internal block diagram of the SMB139 programmable linear battery charger.
Summit Microelectronics, Inc
2121 3.0 6/19/2008
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