MM3734A01YRE [MITSUMI]

Voltage monitor IC for lithium-ion battery secondary protect;


型号：	MM3734A01YRE
厂家：	MITSUMI ELECTRONICS, CORP.
描述：	Voltage monitor IC for lithium-ion battery secondary protect
文件：	总2页 (文件大小：42K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

MITSUMI

Voltage monitor IC for lithium-ion battery secondary protect MM3734 Series

Voltage monitor IC for lithium-ion battery secondary protect

MM3734 Series

Outline

The MM3734 series are voltage monitor ICs for rechargeable lithium-ion or lithium-polymer batteries

secondary protection, using a high voltage CMOS process. 1-cell lithium-ion or lithium-polymer battery can

be detected overcharge state. Internal circuit is composed of voltage detectors, reference voltage sources,

an oscillator, a counter circuit and logical circuits.

(Unless otherwise speciﬁed, Topr=+25℃)

Features

(1) High-accuracy detection voltage

• Detection voltage

4.0V to 5.0V, 5mV steps

Accuracy±20mV, Accuracy±25mV

(Topr=ꢀ5℃ to +60℃ )

• Hysteresis voltage

0V to 1.0V, 50mV steps

However, "Detection voltage-Hysteresis voltage<4.0V" is disabled.

(2) Range of Detection delay time

• Detection delay time

Selectable from 0.25s, 1.02s, 2.048s, 4.096s

(3) Low current consumption

• Normal mode

Typ. 1.5μA, Max. 3.0μA

Max. 0.8μA

• Stand-by mode

(4) Absolute maximum ratings

• VDD pin

VSS－0.3V to +12V

VDD－0.3V to VDD+0.3V

VSS－0.3V to VDD+0.3V

－55°C to +125°C

ꢀ40℃ to +85℃

• OUT pin

• DS pin

• Storage temperature

• Operation temperature

•

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

Voltage monitor IC for lithium-ion battery secondary protect MM3734 Series

Pin Assignment

Top view

SON-6C

Pin No. Symbol

Function

OUT

No connection

Output of detecting voltage. Output type is CMOS

Delay shorten terminal

VSS

VDD

VSS terminal. Connected to ground

VDD terminal. Connected to IC substrate

No connection

Product Line up

Product name

Package

Vdet

4.500

Vrel

4.150

tVdet

2.048

tVrel

MM3734A01YRE

MM3734A03YRE

SON-6C

4.550

4.200

2.048

Please inquire to us, if you request a rank other than the above.

Application Circuit

MM3734

2nd Protection

1st Protection

330Ω

0.1μF

VDD

OUT

V-

VDD COUT

VSS DOUT

VSS

0.1μF

2.2kΩ

0.1μF

・R3 and C4 stabilize a supply voltage ripple. However, the detection voltage rises by the current of

penetration in IC of the voltage detection when R3 is enlarged, and the value of R3 is adjusted to 1kohm

or less. Moreover, adjust the value of C4 to 0.01μF or more to do the stability operation, please.

•

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.

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