• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.

• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.

MITSUMI

Lithium-ion battery charge control IC MM3458

Item

Symbol

Measurement conditions

Min. Typ. Max. Units

Supply current 1

During fast charge (Irapchg = 500mA setting)

3.0

4.5

mA

Supply current 2 ( 1)

During fast charge (Irapchg = 1000mA setting)

3.5

5.2

mA

Leak current 1

Ileak

following conditions :

12

µA

Leak current 1 ( 1)

Ileak

following condition:

12

µA

Reset detection voltage

Vpor

2.3

2.5

2.7

V

ADP detection voltage

Vadp

3.6

3.8

4.0

V

Idischg1

10

20

µA

Idischg2

100

200

300

µA

Charge start detection

voltage

Vstart

Used for battery connection detection as well

1.0

1.1

1.2

V

Charge start detection

voltage hysteresis

Vstarthys

Not applied to battery voltage detection

immediately after reset release

50

100

150

mV

Fast-charge start detection voltage

Vqchgon

2.9

3.0

3.1

V

Fast-charge start detection

voltage hysteresis

Vqchgonhys

Applied to detection voltage from fast

charge to trickle charge

40

80

120

mV

Recharge detection voltage

Vrechg

3.97

4.07

V

BAT regulation voltage

Vchg1 Vchg2

Vchg3

Vchg1

Vth3 VTH Vth1

4.17

4.20

4.23

V

Vchg2

Vth4 VTH Vth3

4.05

4.10

4.15

Vchg3

Vth5 VTH Vth4

4.00

4.05

4.10

Charge stop I/O potential

difference 1

Vdef1

530

65

mV

Charge stop I/O potential

difference 2

Vdef2

545

65

mV

Battery overvoltage detection voltage

Vov

4.27

4.35

4.43

V

note : 1 The parameter is guaranteed by design.