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VNF9Q20F Datasheet(PDF) 82 Page - STMicroelectronics

Part # VNF9Q20F
Description  4-channel high-side driver with STi²Fuse protection for automotive power distribution applications
PDF  109 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

VNF9Q20F Datasheet(HTML) 82 Page - STMicroelectronics

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Symbol
Parameter
Test conditions
Min. Typ. Max. Unit
WOFF(2)
Switching losses energy at turn-off
Ch0,1,2,3
RL = 21 Ω; SLOPECRx = 00
0.025 0.05
mJ
1. See Figure 36.
2. Parameter specified by design and evaluated by characterization, not tested in production.
Table 65. LED–Protection and diagnosis
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
ILIMH_ch0,1,2,3(1)
DC short-circuit current
VCC = 16 V, TJ = -40 °C
-15%
9.2
15%
A
VCC = 16 V, TJ = 150 °C
-15%
7
15%
A
ILIMH_ch0,1,2,3 at 19 V
DC short-circuit current
VCC = 19 V, TJ = -40 °C
-15%
7.4
15%
A
VCC = 19 V, TJ = 150 °C
-15%
5.6
15%
1. ILIMH_ch0,1,2,3,guaranteed between 7 V and 16 V, -40 °C < TJ < 150 °C.
Table 66. LED–Digital current sense (7 V < VCC < 18 V, channel 0–3; TJ = -40 °C to 150 °C)
Symbol
Parameter
Test conditions
Min.
Typ.
Max. Unit
KOL
Digital current sense gain: ADCOUT/IOUT
IOUT = 25 mA
-65% 308.5
65%
1/A
KLED
Digital current sense gain: ADCOUT/IOUT
IOUT = 40 mA
-35% 303.6
35%
1/A
K0
Digital current sense gain: ADCOUT/IOUT
IOUT = 0.125 A
-15% 303.6
15%
1/A
K1
Digital current sense gain: ADCOUT/IOUT
IOUT = 0.625 A
-8%
308.2
8%
1/A
K2
Digital current sense gain: ADCOUT/IOUT
IOUT = 1.875 A
-7%
308.2
7%
1/A
IOUT_OFFSET(1)
Output current offset
ISENSE = 000H
-15
15
mA
IOUT_SAT_LED
Output saturation current in LED mode
ISENSE = 3FFH
2.5
A
tON_CS(min)_LED Minimum ON time for digital current sense availability
150
μs
1. Parameter specified by design and evaluated by characterization, not tested in production.
Figure 36. Switching characteristics
CSN
VOUTX
Turn -ON phase
(SOCR Register)
Turn -OFF phase
(SOCR Register)
20%
60%
40%
80%
(dVOUT/dt)ON
(dVOUT/dt)OFF
tdON
tdOFF
tpLH
tpHL
VNF9Q20F
Electrical specifications
DS13909 - Rev 6
page 82/109



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