SM6781BV View Datasheet(PDF) - Nippon Precision Circuits

Part Name

Description

Manufacturer

SM6781BV

Ni-MH/Ni-Cd Battery Charger IC

Nippon Precision Circuits  

SM6781BV

TYPICAL APPLICATION CIRCUIT

VBB 12V

VDD 5V

SW1

R5

1.8kΩ

R3

100kΩ

R4

100kΩ

R1

5.1kΩ

Q1

2SC945

78L05

IN OUT

VSS

5V

VBEQ2

Q2

2SD525

R2

4/5W

ICHG

ICHG

=

5

−

VBEQ2

R2

=

5 − 0.65

4

R6

33kΩ

Q3

2SC945

R7

100kΩ

SM6781BV

5 VDD

CHGN 8

2 LEDN

INH 7

1 TIME

NC 6

4 VSS

BATT 3

R9

200kΩ

R10

200kΩ

R9

R10

=

N

−

1

N= Number of cells

CPU

or

Temperature switch

(SM6611)

Note that the above circuit is an example circuit to demonstrate the connections for device functions. Battery

charger operation is not guaranteed.

NIPPON PRECISION CIRCUITS—9

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