DRV120_15 Datasheet, PDF (5/23 Pages) Texas Instruments – Power-Saving Current Controlled Solenoid Driver

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DRV120
SLVSBG3B – JUNE 2012 – REVISED JULY 2015
6.5 Electrical Characteristics
V_IN = 14 V, T_A = –40°C to 105°C, over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
SUPPLY
Standby current
I_Q
Quiescent current
EN = 0, V_IN = 14 V
EN = 1, V_IN = 14 V
100
300
CURRENT DRIVER
R_OUT
f_PWM
D_MAX
D_MIN
OUT to GND resistance
PWM frequency
Maximum PWM duty cycle
Minimum PWM duty cycle
t_D
Start-up delay
CURRENT CONTROLLER, INTERNAL SETTINGS
I_OUT = 200 mA
OSC = GND
Delay between EN going high until driver enabled⁽¹⁾,
f_PWM = 20 kHz
1.7
15
20
100
9
25
I_PEAK
Peak current
I_HOLD
Hold current
CURRENT CONTROLLER, EXTERNAL SETTINGS
t_KEEP ⁽²⁾
Externally set keep time at peak current
I_PEAK
Externally set peak current
I_HOLD
Externally set hold current
f_PWM
Externally set PWM frequency
LOGIC INPUT LEVELS (EN)
PEAK = GND
HOLD = GND
C_KEEP = 1 µF
R_PEAK = 50 kΩ
R_PEAK = 200 kΩ
R_HOLD = 50 kΩ
R_HOLD = 200 kΩ
R_OSC = 50 kΩ
R_OSC = 200 kΩ
160
200
40
50
75
250
83
100
33
60
20
V_IL
Input low level
V_IH
Input high level
R_EN
Input pullup resistance
LOGIC OUTPUT LEVELS (STATUS)
1.65
350
500
V_OL
Output low level
I_IL
Output leakage current
UNDERVOLTAGE LOCKOUT
Pulldown activated, I_STATUS = 2 mA
Pulldown deactivated, V(STATUS) = 5 V
V_UVLO
Undervoltage lockout threshold
4.6
THERMAL SHUTDOWN
T_TSD
Junction temperature shutdown
threshold
160
T_TSU
Junction temperature start-up threshold
140
MAX
150
400
2.5
25
50
240
60
1.3
0.3
1
(1) Logic HIGH between 4 V and 7 V. Note: absolute maximum voltage rating is 7 V.
(2) Either internal or external t_KEEP time setting is selected to be activated during manufacturing of production version of DRV120.
UNIT
µA
Ω
kHz
%
%
µs
mA
mA
ms
mA
mA
kHz
V
V
kΩ
V
µA
V
°C
°C
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