Thermally Enhanced, Fully Integrated, Hall-Effect-Based

High-Precision Linear Current Sensor IC with 100 µΩ Current Conductor

ACS770xCB

3

Allegro MicroSystems, LLC

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

ISOLATION CHARACTERISTICS

Characteristic

Symbol

Notes

Rating

Unit

Agency type-tested for 60 seconds per

UL standard 60950-1, 2nd Edition

4800

VAC

Working Voltage for Basic Isolation

For basic (single) isolation per UL standard 60950-1, 2nd

Edition

990

700

Working Voltage for Reinforced Isolation

For reinforced (double) isolation per UL standard 60950-

1, 2nd Edition

636

450

1

60-second testing is only done during the UL certification process. In production, Allegro conducts 1-second isolation testing according to UL 60950-1, 2nd Edition.

ABSOLUTE MAXIMUM RATINGS

Characteristic

Symbol

Notes

Rating

Unit

Forward Supply Voltage

6

V

Reverse Supply Voltage

–0.5

V

Forward Output Voltage

25

V

Reverse Output Voltage

–0.5

V

Output Source Current

VIOUT to GND

3

mA

Output Sink Current

Minimum pull-up resistor of 500 Ω, from VCC to VIOUT

10

mA

Nominal Operating Ambient Temperature

Range E

–40 to 85

°C

Range K

–40 to 125

°C

Range L

–40 to 150

°C

Maximum Junction

165

°C

Storage Temperature

–65 to 165

°C

SPECIFICATIONS

Characteristic

Symbol

Value

Unit

Package Thermal Resistance

opposite side) of 4 oz. copper connected to the primary

leadframe and with thermal vias connecting the copper

layers. Performance is based on current flowing through

the primary leadframe and includes the power consumed

by the PCB.

7

°C/W

2

Additional thermal information available on the Allegro website.

Characteristic

Symbol

Notes

Rating

Unit

Overcurrent

1200

A

900

A

600

A

3

4

For more overcurrent profiles, please see FAQ on the Allegro website, www.allegromicro.com.