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