ACS714ELCTR-05B-T データシートの表示（PDF） - Allegro MicroSystems

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ACS714ELCTR-05B-T

Automotive Grade, Fully Integrated, Hall Effect-Based Linear Current Sensor IC with 2.1 kVRMS Voltage Isolation and a Low-Resistance Current Conductor

Allegro MicroSystems 

ACS714

Automotive Grade, Fully Integrated, Hall Effect-Based Linear Current Sensor IC

with 2.1 kVRMS Voltage Isolation and a Low-Resistance Current Conductor

COMMON OPERATING CHARACTERISTICS1 over full range of TA , CF = 1 nF, and VCC = 5 V, unless otherwise specified

Characteristic

Symbol

Test Conditions

Min. Typ. Max.

Units

ELECTRICAL CHARACTERISTICS

Supply Voltage

Supply Current

Output Capacitance Load

Output Resistive Load

Primary Conductor Resistance

Rise Time

Frequency Bandwidth

Nonlinearity

Symmetry

Zero Current Output Voltage

VCC

ICC

CLOAD

RLOAD

RPRIMARY

tr

f

ELIN

ESYM

VIOUT(Q)

VCC = 5.0 V, output open

VIOUT to GND

VIOUT to GND

TA = 25°C

IP = IP(max), TA = 25°C, COUT = open

–3 dB, TA = 25°C; IP is 10 A peak-to-peak

Over full range of IP

Over full range of IP

Bidirectional; IP = 0 A, TA = 25°C

4.5

5.0

5.5

V

–

10

13

mA

–

–

10

nF

4.7

–

–

kΩ

–

1.2

–

mΩ

–

3.5

–

μs

–

80

–

kHz

–

1.5

–

%

98

100

102

%

–

VCC  ×

0.5

–

V

Power-On Time

tPO

Output reaches 90% of steady-state level, TJ = 25°C, 20 A  present

on leadframe

–

35

–

µs

Magnetic Coupling2

–

12

–

G/A

Internal Filter Resistance3

RF(INT)

1.7

kΩ

1Device may be operated at higher primary current levels, IP, and ambient, TA , and internal leadframe temperatures, TA , provided that the Maximum

Junction Temperature, TJ(max), is not exceeded.

21G = 0.1 mT.

3RF(INT) forms an RC circuit via the FILTER pin.

COMMON THERMAL CHARACTERISTICS1

Min. Typ. Max. Units

Operating Internal Leadframe Temperature

E range

TA L range

–40

–

85

°C

–40

–

150

°C

Value Units

Junction-to-Lead Thermal Resistance2

Junction-to-Ambient Thermal Resistance

RθJL

RθJA

Mounted on the Allegro ASEK 714 evaluation board

Mounted on the Allegro 85-0322 evaluation board, includes the power con-

sumed by the board

5

°C/W

23

°C/W

1Additional thermal information is available on the Allegro website.

2The Allegro evaluation board has 1500 mm2 of 2 oz. copper on each side, connected to pins 1 and 2, and to pins 3 and 4, with thermal vias connect-

ing the layers. Performance values include the power consumed by the PCB. Further details on the board are available from the Frequently Asked

Questions document on our website. Further information about board design and thermal performance also can be found in the Applications Informa-

tion section of this datasheet.

Allegro MicroSystems, LLC

4

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

www.allegromicro.com

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