Battery management for earphones

Example of power supply monitoring circuit for battery charging and discharging system

Details of earphone / Battery management

Lineup

Small signal MOSFET

Part number

SSM6N951L

SSM6N56FE

SSM6N61NU

SSM3K56ACT

Package

TCSP6A
-172101
ES6 UDFN6 CST3

Polarity

N-ch x 2
(Drain Common)

N-ch x 2

N-ch x 2

N-ch

VDSS, / VSSS [V]

12

20

20

20

ID / IS [A]

8

0.8

4

1.4

RDS(ON) / RSS(ON) [mΩ] @VGS = 2.5 V

Typ.

5.5

230

31

230

Max

10

300

45

300

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