CS4161 Datasheet, PDF (3/8 Pages) Cherry Semiconductor Corporation – 85mA Dual H-Bridge Odometer Driver with Divide by Select and UVLO

CS4161
ELECTRICAL CHARACTERISTICS (continued) (–40°C ≤ T_A ≤ 125°C, 6.5 V ≤ V_CC ≤ 15.5 V; unless otherwise stated. All voltage
shall be referenced to GND unless otherwise noted. Overvoltage shutdown of coils occurs when V_CC > 16 V.)
Characteristic
Test Conditions
Min
Typ
Max
Unit
Coil Output Drivers (continued)
Energized Coil Voltage (Note 3.)
(Both Polarities) A and B
V_CC = 6.5 V_DC
V_CC – 1.5 V V_CC – 0.9 V
–
V_DC
V_CC = 10 V_DC
V_CC – 1.6 V V_CC – 1.0 V
–
V_DC
V_CC = 15.5 V_DC, –20°C ≤ T_A ≤ 125°C
V_CC – 1.75 V V_CC – 1.1 V
–
V_DC
V_CC = 15.5 V_DC, –40°C ≤ T_A ≤ –20°C
V_CC – 2.0 V V_CC – 1.2 V
–
V_DC
De–energized Coil Leakage Current
–
–
±100
–
µA
Short Circuit Protection
Short Circuit Threshold
I Coil A + I Coil B
–
–
275
400
mA
Short Circuit Turn–Off Delay
–
–
5.0
–
µs
3. Voltage across the coils shall be measured at the specific voltages, but shall also be within linearly interpolated limits.
PACKAGE PIN #
DIP–8
1
2
3
4
5
6
7
8
PACKAGE PIN DESCRIPTION
PIN SYMBOL
GND
COILA+
COILA–
SENSOR
SELECT
COILB–
COILB+
V_CC
Ground connection.
FUNCTION
Output stage, when active, this lead supplies current to COIL A.
Output stage, when active, this lead supplies current to COIL A.
Input signal from wheel speed or engine rpm.
Selects divide by 1 or divide by 2 mode.
Output stage, when active, this lead supplies current to COIL B.
Output stage, when active, this lead supplies current to COIL B.
Supply voltage.
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