DRV101_15 Datasheet, PDF (15/27 Pages) Texas Instruments – PWM SOLENOID/VALVE DRIVER

Higher temperature results in lower duty cycle
(a)
V_S
Heating Element
5
DRV101
Thermistor
6
1
On/Off
R₁
4
R₂
Duty Cycle 3
Adjust
10µF
(b)
V_S
0.1µF
5
DRV101
6
Heating
Element
1
On/Off
4
7, 8
100µA
REF200
100µA
1
2
2
3
NC
2µF Film
1kΩ
Duty Cycle
Adjust
0.1µF V_S
7
2
6
OPA134
3
10MΩ
4
4.7V
or
Thermistor
5kΩ at +25°C
Integrator improves accuracy
10kΩ
IN4148⁽¹⁾
Temperature
Control
NOTE: (1) Or any common silicon diode suited
to the mechanical mounting requirements.
20kΩ
FIGURE 16. Temperature Controller.
DRV101
15
SBVS008B
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