CS8442 datasheet(2/4 Pages) ONSEMI

No. de pieza	CS8442

Descripción Electrónicos	Stepper Motor Driver

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Fabricante Electrónico	ONSEMI [ON Semiconductor]

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Electrical Characteristics: Unless otherwise stated, these specifications apply for -40˚C to +105˚C, VCC = 6.5 to 15.5 VDC. All

voltage shall be referenced to Gnd unless otherwise noted. Overvoltage shutdown of coils occurs when VCC > 16V.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

* Voltage across the coils shall be measured at the specific voltages, but shall also be within linearly interpolated limits.

s Supply

Supply Voltage Range

TA = -40°C to +105°C

6.5

15.5

α

TA = -40°C to +25°C

6.5

24.0

α

Supply Current

VCC = 15.5 VDC

35

mA

Outputs not loaded

Overvoltage Shutdown

16

23

V

s Speed Sensor

Input Frequency Range

0

400

Hz

Switching Threshold

1.6

3.0

VDC

Hysteresis

300

mV

Input Bias Current

VIN = 0.8VDC to VCC

±1

µA

Input Voltage Range

0

8

VDC

Operating Input Voltage

10K Ohm Resistor in Series

-15

VDC

to VCC

Output Saturation Voltage

ICC = 1.3mA

0.4

V

Output Leakage

VCC = 5.5V

10

µA

Input Clamp Current

I Clamp at VIN = 0 VDC

-0.4

-5.0

mA

s Coil Output Drivers

Coil Load

+25°C

198

210

222

Ω

Coil Inductance

80

mH

Coil Resistance Temperature

Coefficient

0.39

%/°C

* Energized Coil Voltage

(Both Polarities) A and B

VCC = 6.5 VDC

VCC - 1.50

VDC

VCC = 10.0 VDC

VCC - 1.60

VDC

VCC = 15.5 VDC, TA= -20°C to +105°C VCC - 1.75

VDC

VCC = 15.5 VDC, TA= -40°C to -20°C

VCC - 2.00

VDC

De-Energized Coil Leakage

±100

µA

Current

s Short Circuit Protection

Short Circuit Threshold

275

400

mA

Coil A + Coil B

Short Circuit Turn Off Delay

5

µs

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