ORDERING INFORMATION

PART

NUMBER

Pack

age

Overcharg

e Detection

Voltage

Overcharge

Release

Voltage

Overdischarge

Detection

Voltage

Overdischarge

Release

Voltage

Overcurrent

Detection

Current

Top Mark

HM9901

SOP

8

4.30

4.10

2.40

3.0

9

HM9901 YW(note)

Note: “YW” is manufacture date code, “Y” means the year, “W” means the week

PIN CONFIGURATION

Figure 2. PIN Configuration

PIN DESCRIPTION

HM9901 PIN

NUMBER

PIN NAME

PIN DESCRIPTION

1

NC

No Connect

3，4

GND

Ground, connect the negative terminal of the battery to this pin

2

VDD

Power Supply

5，6，7，8

VM

The negative terminal of the battery pack. The internal FET switch

connects this terminal to GND

ABSOLUTE MAXIMUM RATINGS

(Note: Do not exceed these limits to prevent damage to the device. Exposure to absolute maximum rating

conditions for long periods may affect device reliability.)

PARAMETER

VALUE

UNIT

VDD input pin voltage

-0.3 to 6

V

VM input pin voltage

-6 to 10

V

HM9901