CS4161 Datasheet, PDF (2/4 Pages) Cherry Semiconductor Corporation – 85mA Dual H-Bridge Odometer Driver with Divide by Select and UVLO

Electrical Characteristics: Unless otherwise stated, these specifications apply for -40¡C ² T_A ² 105¡C, 6.5V ² V_CC ² 15.5V.
All voltage shall be referenced to Gnd unless otherwise noted. Overvoltage shutdown of coils occurs when V_CC > 16V.
PARAMETER
s Supply, V_CC
Supply Voltage Range
Supply Current
Overvoltage Shutdown
Undervoltage Lockout Voltage
TEST CONDITIONS
-40¡C ² TA ² 105¡C
-40¡C ² TA ² 25¡C
Transient Pulse, 100ms
V_CC = 15.5 V_DC, Outputs not loaded
V_CC Initial Power up
UVLO Hysteresis
MIN
6.5
6.5
16
5.1
200
TYP
24
5.6
600
MAX
15.5
24.0
35.0
35
23
6.1
1000
UNIT
V_DC
V_DC
V_DC
mA
V
V
mV
s Speed Sensor Input, SENSOR
Input Frequency Range
Switching Threshold
Hysteresis
Input Bias Current
Input Voltage Range
Operating Input Voltage
Input Clamp Current
0.8V_DC ² V_IN ² V_CC
10k½ Resistor in Series
I Clamp at V_IN = 0V_DC
0.2
1.0
kHz
1.2
2.6
V_DC
300
500
mV_DC
0.1
±1.0
µA
0
V_CC
V_DC
-15 to V_CC V_DC
-0.4
-5.0
mA
s Divider Select Input, SELECT
Logic 0 Input Voltage
Logic 1 Input Voltage
Logic 0 Input Current
Logic 1 Input Current
0V ² V_IN ² 100mV
3V ² V_IN ² 15.5 V_DC
100
mV_DC
3.0
V_DC
-1
-100
µA
0.75
2.00
mA
s Coil Output Drivers
Coil Load
+25¡C
198
210
222
Coil Inductance
80
Coil Resistance Temperature
Coefficient
0.35
* Energized Coil Voltage
V_CC = 6.5 V_DC
V_CC - 1.5V V_CC - 0.9V
(Both Polarities) A and B
V_CC = 10.0 V_DC
V_CC - 1.6V V_CC - 1.0V
V_CC = 15.5 V_DC, -20¡C ² T_A ² 105¡C V_CC - 1.75V V_CC - 1.1V
V_CC = 15.5 V_DC, -40¡C ² T_A ² -20¡C V_CC - 2.0V V_CC - 1.2V
De-energized Coil Leakage Current
±100
µA
½
mH
%/¡C
V_DC
V_DC
V_DC
V_DC
s Short Circuit Protection
Short Circuit Threshold
I Coil A + I Coil B
Short Circuit Turn-Off Delay
275
400
mA
5
µs
* Voltage across the coils shall be measured at the specific voltages, but shall also be within linearly interpolated limits.
Package Lead Description
PACKAGE LEAD #
8L PDIP
1
2
3
4
5
6
7
8
LEAD SYMBOL
FUNCTION
Gnd
COILA+
COILA-
SENSOR
SELECT
COILB-
COILB+
V_CC
Ground connection.
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.
2