Sim2 M80 Dokumentacja Pobierz pdf (Strona 23)

M80 Hardware Design

M80_HD_V1.0 - 23 -

VBAT is supplied.

Iin=2.6~5 uA

VDD_EXT

Supply 2.8V voltage

for external circuit.

Vmax=2.9V

Vmin=2.7V

Vnorm=2.8V

Imax=20mA

1. If unused, keep this

pin open.

2. Recommend to add

a 2.2~4.7uF bypass

capacitor, when using

this pin for power

supply.

GND

37,

61,

62,

64,

65,

66,

93,

Ground

Charge interface

PIN NAME

NO.

I/O

DESCRIPTION

CHARACTERISTICS

COMMENT

GATDRV

Charge passed

element control pin

Not supported at

present.

CHGLDO

Charger power supply

source

CHGDET

Charger detect

ISENSE

Current sense pin

BATSNS

VBAT voltage sense

Turn on/off

PIN NAME

NO.

I/O

DESCRIPTION

CHARACTERISTICS

COMMENT

PWRKEY

Power on/off key.

PWRKEY should be

pulled down for a

moment to turn on or

turn off the system.

VILmax=

0.1*VBAT

VIHmin=

0.6*VBAT

VImax=VBAT

Pulled up to VBAT

internally.

Emergency shutdown

PIN NAME

NO.

I/O

DESCRIPTION

CHARACTERISTICS

COMMENT

EMERG_

OFF

Emergency off. Pulled

down for at least

20ms, which will turn

off the module in case

of emergency. Use it

VILmax=0.4V

VIHmin=2.2V

open

max=2.8V

Open drain/collector

driver required in

cellular device

application.

If unused, keep this

Quectel

Confidential

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 87 88

Quectel Cellular Engine 1
Confidential 10

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