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CS2082 Datasheet(PDF) 4 Page - ON Semiconductor

Part # CS2082
Description  Dual Airbag Deployment ASIC
PDF  12 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

CS2082 Datasheet(HTML) 4 Page - ON Semiconductor

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CS2082
http://onsemi.com
4
ELECTRICAL CHARACTERISTICS (continued) (4.75 V < VCC < 5.25 V, 8.0 V < VRES < 30 V, 9.0 V < VBAT < 18 V,
–40
°C < TA < +85°C; unless otherwise stated.)
Parameter
Unit
Max
Typ
Min
Test Conditions
Thermal Shut Down
Time to Thermal Shutdown
RSQUIB = 0, VRX = 30 V, T = 85°C,
Guaranteed by Design
7.0
–
–
ms
Squib Resistive Measurements
VCC = 5.0 V, RMR = 49.9 W, VRES = 30 V
Squib Differential Voltage
VDIFF = SHx – SLx, RSQUIB = 1.0 Ω to 10 Ω
46
53
60
mV
Difference Between SHx & MR
current – SHx reference
ISQUIB = 50 mA
–1.0
–
1.0
%
SHx Current Limit
RSQUIB = 0
67
100
133
mA
SLx Current Limit
RMR = 0
77
115
153
mA
MR Voltage Clamp
–
VCC – 0.3
–
VCC + 0.3
V
Turn On Delay Time excluding
external Capacitors
–
–
–
100
µs
Turn off Delay Time
–
–
–
50
µs
Short Measurements
VCC = 5.0 V, VRES . VBAT, VRX . VBAT
SHx pull–up resistance to VBAT
SLx pull–down resistance
VBAT = 18 V
4.0
4.0
10
10
17
17
k
Ω
k
Ω
Pull–up resistor matching
–
–5.0
–
5.0
%
Pull–down resistor matching
–
–5.0
–
5.0
%
Short to VBAT Trip
SHx short to Battery
SLx bit set to 1
0.73
× VBAT
0.75
× VBAT
0.77
× VBAT
V
Short to GND Trip
SHx short to GND
SGx bit set to 1
0.23
× VBAT
0.25
× VBAT
0.27
× VBAT
V
VBAT Monitoring
VCC = 5.0 V, External VBAT Diode not included, VRES = 30 V
VBAT Low Trip
BL bit set to 1 when below trip
7.5
8.5
9.5
V
VBAT High Trip
BL bit set to 0 when above trip
8.0
9.0
10
V
VRES Monitoring
VCC = 5.0 V, VBAT = 18 V
VRES Low Trip
$6d AUX register b0 = 0
15.7
17.5
19.3
V
VRES High Trip
$6d AUX register b0 = 0
16.5
18.5
20.5
V
VRES Low Trip
$6d AUX register b0 = 1
21.5
24.0
26.5
V
VRES High Trip
$6d AUX register b0 = 1
22.5
25
27.5
V
Safing Sensor Monitor
External Resistance Trip Range
SSC bit set when resistance is less
30
400
600
Ω
Charge Pump and Monitor
VCC = 5.0 V, VBAT = 10 V
Oscillator Frequency
VRES = 10 V
200
–
800
kHz
Charge Pump charge time
CCHG = 0.1 µF, VRES = 8.0 V,
Chrg from 8.0 V to 14 V
–
–
20
ms
Charge Pump Low Voltage
CL bit set to 1 when below trip
14.5
16.0
17.5
V
Charge Pump High Voltage
CL bit set to 0 when above trip
15.0
17.5
18.0
V
Analog MUX
VCC = 5.0 V
AOUT Output Range
–
0.1
–
VCC – 0.1
V
AIN Input Range
–
0
–
VCC
V



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