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PDF VND7050AJ Data sheet ( Hoja de datos )

Número de pieza VND7050AJ
Descripción Double channel high-side driver
Fabricantes STMicroelectronics 
Logotipo STMicroelectronics Logotipo



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VND7050AJ
Double channel high-side driver with MultiSense analog
feedback for automotive applications
Datasheet - production data
Features
Max transient supply voltage
Operating voltage range
Typ. on-state resistance (per Ch)
Current limitation (typ)
Standby current (max)
VCC 40 V
VCC 4 to 28 V
RON 50
ILIMH 30 A
ISTBY 0.5 µA
Automotive qualified
General
Double channel smart high-side driver
with MultiSense analog feedback
Very low standby current
Compatible with 3 V and 5 V CMOS
outputs
MultiSense diagnostic functions
Multiplexed analog feedback of: load
current with high precision proportional
current mirror, VCC supply voltage and
TCHIP device temperature
Overload and short to ground (power
limitation) indication
Thermal shutdown indication
OFF-state open-load detection
Output short to VCC detection
Sense enable/disable
Protections
Undervoltage shutdown
Overvoltage clamp
Load current limitation
Self limiting of fast thermal transients
Configurable latch-off on
overtemperature or power limitation
with dedicated fault reset pin
Loss of ground and loss of VCC
Reverse battery with external
components
Electrostatic discharge protection
Applications
All types of Automotive resistive, inductive
and capacitive loads
Specially intended for Automotive Signal
Lamps (up to P27W or SAE1156 or LED
Rear Combinations)
Description
The device is a double channel high-side driver
manufactured using ST proprietary VIPower® M0-
7 technology and housed in PowerSSO-16
package. The device is designed to drive 12 V
automotive grounded loads through a 3 V and
5 V CMOS-compatible interface, providing
protection and diagnostics.
The device integrates advanced protective
functions such as load current limitation, overload
active management by power limitation and
overtemperature shutdown with configurable
latch-off.
A FaultRST pin unlatches the output in case of
fault or disables the latch-off functionality.
A dedicated multifunction multiplexed analog
output pin delivers sophisticated diagnostic
functions including high precision proportional
load current sense, supply voltage feedback and
chip temperature sense, in addition to the
detection of overload and short circuit to ground,
short to VCC and OFF-state open-load.
A sense enable pin allows OFF-state diagnosis to
be disabled during the module low-power mode
as well as external sense resistor sharing among
similar devices.
May 2015
DocID027396 Rev 1
This is information on a product in full production.
1/46
www.st.com

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VND7050AJ pdf
VND7050AJ
Block diagram and pin description
1 Block diagram and pin description
Figure 1: Block diagram
Name
Table 1: Pin functions
Function
VCC Battery connection.
OUTPUT0,1 Power output.
GND
Ground connection. Must be reverse battery protected by an external diode / resistor
network.
INPUT0,1
Voltage controlled input pin with hysteresis, compatible with 3 V and 5 V CMOS outputs.
It controls output switch state.
MultiSense
Multiplexed analog sense output pin; it delivers a current proportional to the selected
diagnostic: load current, supply voltage or chip temperature.
SEn
Active high compatible with 3 V and 5 V CMOS outputs pin; it enables the MultiSense
diagnostic pin.
SEL0,1
Active high compatible with 3 V and 5 V CMOS outputs pin; they address the MultiSense
multiplexer.
FaultRST
Active low compatible with 3 V and 5 V CMOS outputs pin; it unlatches the output in
case of fault; If kept low, sets the outputs in auto-restart. mode
DocID027396 Rev 1
5/46

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VND7050AJ arduino
VND7050AJ
Electrical specification
Table 8: Protections
7 V < VCC < 18 V; -40°C < Tj < 150°C
Symbol
Parameter
Test conditions
Min. Typ. Max. Unit
ILIMH
ILIML
TTSD
TR
TRS
DC short circuit current
Short circuit current
during thermal cycling
Shutdown temperature
Reset temperature(1)
Thermal reset of fault
diagnostic indication
VCC = 13 V
4 V < VCC < 18 V (1)
VCC = 13 V;
TR < Tj < TTSD
VFR = 0 V; VSEn = 5 V
21 30
42
A
10
150 175
TRS + 1 TRS + 7
200
135 °C
THYST
Thermal hysteresis
(TTSD - TR)(1)
7
ΔTJ_SD Dynamic temperature
tLATCH_RST
Fault reset time for
output unlatch (1)
VDEMAG
Turn-off output voltage
clamp
VON
Output voltage drop
limitation
Tj = -40°C; VCC = 13 V
VFR = 5 V to 0 V; VSEn = 5 V;
VIN = 5 V; VSEL0 = 0 V;
VSEL1 = 0 V
IOUT = 2 A; L = 6 mH;
Tj = -40°C
IOUT = 2 A; L = 6 mH;
Tj = 25°C to 150°C
60 K
3 10 20 µs
VCC - 38
V
VCC - 41 VCC - 46 VCC - 52 V
IOUT = 0.2 A
20 mV
Notes:
(1)Parameter guaranteed by design and characterization; not subject to production test.
Table 9: MultiSense
7 V < VCC < 18 V; -40°C < Tj < 150°C
Symbol
VSENSE_CL
Parameter
MultiSense clamp
voltage
Test conditions
VSEn = 0 V; ISENSE = 1 mA
VSEn = 0 V; ISENSE = -1 mA
Current sense characteristics
KOL
IOUT/ISENSE
dKcal/Kcal(1)(2)
Current sense ratio drift
at calibration point
KLED
IOUT/ISENSE
dKLED/KLED(1)(2) Current sense ratio drift
IOUT = 0.01 A; VSENSE = 0.5 V;
VSEn = 5 V
IOUT = 0.01 A to 0.05 A;
Ical = 30 mA; VSENSE = 0.5 V;
VSEn = 5 V
IOUT = 0.05 A; VSENSE = 0.5 V;
VSEn = 5 V
IOUT = 0.05 A; VSENSE = 0.5 V;
VSEn = 5 V
Min. Typ. Max. Unit
-17 -12
V
7
440
-30 30 %
530 1450 2200
-25 25 %
DocID027396 Rev 1
11/46

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