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AW32705 Datasheet Preview

AW32705 Datasheet

Over-Voltage Protection Load Switch

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AW32705/AW32710
Oct. 2018 V1.0
Over-Voltage Protection Load Switch with Surge Protection
FEATURES
GENERAL DESCRIPTION
Surge protection
The AW327XX family OVP load switch features
IEC 61000-4-5: > 100V
Integrated low Rdson nFET switch: typical 24mΩ
surge protection, an internal clamp circuit protects
the device from surge voltages up to 100V.
l
5A continuous current capability
Default Over-Voltage Protection (OVP) threshold
AW32705: 6.8V
AW32710: 10.5V
OVP threshold adjustable range: 4V to 20V
tia The AW327XX features an ultra-low 24mΩ (typ.)
Rdson nFET load switch. When input voltage
exceeds the OVP threshold, the switch is turned off
very fast to prevent damage to the protected
downstream devices. The IN pin is capable of
Input system ESD protection
IEC 61000-4-2 Contact discharge: ±8kV
n withstanding fault voltages up to 35VDC.
The default OVP threshold is 6.8V (AW32705) and
IEC 61000-4-2 Air gap discharge: ±15kV
Input maximum voltage rating: 35VDC
e Fast turn-off response: typical 50ns
Over-Temperature Protection (OTP)
Under-Voltage Lockout (UVLO)
d WLCSP 1.17×1.57-12B package
fi APPLICATIONS
Smartphones
n Tablets
o Charging Ports
10.5V (AW32710), the OVP threshold can be
adjusted from 4V to 20V through external OVLO
pin.
The device features an open-drain output ACOK,
when VIN_UVLO < VIN < VIN_OVLO and the switch is
on, ACOK will be driven low to indicate a good
power input, otherwise it is high impedance.
This device features over-temperature protection
that prevents itself from thermal damaging.
The AW327XX is available in a RoHS compliant
C TYPICAL APPLICATION CIRCUIT
WLCSP 1.17×1.57-12B package.
USB
Port
ic TVS
CIN
0.1µF
R1
50V
in Optional
R2
IN
OUT
AW32705
OVLO AW32710
ACOK
EN
VIO
10kΩ
Optional
COUT
1µF
Charger/
PMIC
Controller
w
GND
a Figure 1 AW327XX typical application circuit
R1 and R2 are used for OVP threshold adjustment, to use default OVP threshold, connect OVLO to ground.
Battery
All the trademarks mentioned in the document are the property of their owners.
www.awinic.com.cn
1
Copyright © 2018 SHANGHAI AWINIC TECHNOLOGY CO., LTD




AWINIC

AW32705 Datasheet Preview

AW32705 Datasheet

Over-Voltage Protection Load Switch

No Preview Available !

AW32705/AW32710
Oct. 2018 V1.0
DEVICE COMPARISON TABLE
Device
Condition
VIN_OVLO (V)
Min.
Typ.
Max.
VIN_OVLO
hysteresis (mV)
AW32705
AW32710
VIN rising
VIN rising
6.66
10.29
6.80
10.50
6.94
10.71
140
210
l
PIN CONFIGURATION AND TOP MARK
AW327XXCSR
(Top View)
tia AW327XXCSR Marking
(Top View)
1
2
3
4
1
2
n3
4
A
EN
OUT
OUT
GND
B
ACOK
OUT
IN
GND
C
OVL O
IN
IN
GND
A
B
C
fidXYeXY
n
o
XX LT: AW32705CSR, TX: AW32710CSR
YY Production Tracing Code
PIN DEFINITION
C Figure 2 Pin Configuration and Top Mark
Pin
A1
ic Name
EN
Description
Enable pin, active low
in B1
C1
C2, C3, B3
ACOK
OVLO
IN
Power good flag, active-low, open-drain
OVP threshold adjustment pin
Switch input and device power supply
A2, A3, B2
OUT
Switch output
w A4, B4, C4
GND
Device ground
a
www.awinic.com.cn
2
Copyright © 2018 SHANGHAI AWINIC TECHNOLOGY CO., LTD


Part Number AW32705
Description Over-Voltage Protection Load Switch
Maker AWINIC
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