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PDF VND5E050MK-E Data sheet ( Hoja de datos )

Número de pieza VND5E050MK-E
Descripción Double-channel high-side driver
Fabricantes ST Microelectronics 
Logotipo ST Microelectronics Logotipo



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VND5E050MJ-E
VND5E050MK-E
Double-channel high-side driver with analog current sense
for automotive applications
Features
Max transient supply voltage
VCC
41 V
Operating voltage range
VCC 4.5 V to 28 V
Max on-state resistance(per ch.) RON 50 mΩ
Current limitation (typ)
Off-state supply current
ILIMH
IS
27 A
2 µA(1)
1. Typical value with all loads connected.
General
– Inrush current active management by
power limitation
– Very low standby current
– 3.0 V CMOS compatible inputs
– Optimized electromagnetic emissions
– Very low electromagnetic susceptibility
– In compliance with the 2002/95/EC
european directive
– Very low current sense leakage
Diagnostic functions
– Proportional load current sense
www.DataSheet4UH.ciogmh-precision current sense for wide
currents range
– Current sense disable
– Overload and short to ground (power
limitation) indication
– Thermal shutdown indication
Protections
– Undervoltage shutdown
– Overvoltage clamp
– Load current limitation
– Self limiting of fast thermal transients
– Protection against loss of ground and loss
of VCC
– Overtemperature shutdown with auto
restart (thermal shutdown)
– Reverse battery protected (see Figure 29)
PowerSSO-12
PowerSSO-24
– Electrostatic discharge protection
Applications
All types of resistive, inductive and capacitive
loads
Suitable as LED driver
Description
The VND5E050MJ-E and VND5E050MK-E are
double-channel high-side drivers manufactured in
the ST proprietary VIPower™ M0-5 technology
and housed in the tiny PowerSSO-12 and
PowerSSO-24 packages. The VND5E050MJ-E
and VND5E050MK-E are designed to drive 12 V
automotive grounded loads delivering protection,
diagnostics and easy 3 V and 5 V CMOS
compatible interface with any microcontroller.
The devices integrate advanced protective
functions such as load current limitation, inrush
and overload active management by power
limitation, overtemperature shut-off with
auto-restart and overvoltage active clamp. A
dedicated analog current sense pin is associated
with every output channel in order to provide
enhanced diagnostic functions including fast
detection of overload and short-circuit to ground
through power limitation indication and
overtemperature indication.
The current sensing and diagnostic feedback of
the whole device can be disabled by pulling the
CS_DIS pin high to allow sharing of the external
sense resistor with other similar devices.
October 2009
Doc ID 15532 Rev 1
1/40
www.st.com
1

1 page




VND5E050MK-E pdf
VND5E050MJ-E / VND5E050MK-E
Block diagram and pin description
1 Block diagram and pin description
Figure 1. Block diagram
Signal Clamp
Undervoltage
IN1
IN2
Control & Diagnostic 1
Power
Clamp
DRIVER
Over
temp.
Current
Limitation
VON
Limitation
VCC
CH 1
CS_
DIS
CS1
CS2
LOGIC
VSENSEH
Current
Sense
OVERLOAD PROTECTION
(ACTIVE POWER LIMITATION)
GND
CH 2
OUT2
OUT1
Table 1. Pin function
Name
Function
www.DataSheet4U.com
VCC
OUT1,2
GND
IN1,2
CS1,2
CS_DIS
Battery connection.
Power output.
Ground connection. Must be reverse battery protected by an external diode/resistor
network.
Voltage controlled input pin with hysteresis, CMOS compatible. Controls output
switch state.
Analog current sense pin, delivers a current proportional to the load current.
Active high CMOS compatible pin, to disable the current sense pin.
Doc ID 15532 Rev 1
5/40

5 Page





VND5E050MK-E arduino
VND5E050MJ-E / VND5E050MK-E
Electrical specifications
Table 8. Protections and diagnostics (1) (continued)
Symbol
Parameter
Test conditions
Min. Typ. Max. Unit
VDEMAG(2)
Turn-off output voltage
clamp
IOUT = 2 A, VIN = 0,
L = 6 mH
VCC - 41 VCC - 46 VCC - 52 V
Output voltage drop
VON limitation
IOUT = 0.1 A,
Tj = -40 °C to +150 °C
(see Figure 7)
25 mV
1. To ensure long term reliability under heavy overload or short circuit conditions, protection and related
diagnostic signals must be used together with a proper software strategy. If the device is subjected to
abnormal conditions, this software must limit the duration and number of activation cycles.
2. Special characteristic according to ISO/TS 16949.
Table 9. Current sense (8 V < VCC < 18 V)
Symbol
Parameter
Test conditions
Min. Typ. Max. Unit
www.DataSheet4U.com
K0 IOUT/ISENSE
K1 IOUT/ISENSE
dK1/K1(1)
Current sense ratio
drift
K2 IOUT/ISENSE
dK2/K2(1)
Current sense ratio
drift
K3 IOUT/ISENSE
dK3/K3(1)
Current sense ratio
drift
ISENSE0(2)
Analog sense
leakage current
IOL
VSENSE
Open load on-state
current detection
threshold
Max analog sense
output voltage
IOUT = 0.05 A, VSENSE = 0.5 V,
VCSD = 0 V, Tj = -40 °C to 150 °C
1440 2250 3630
IOUT = 1 A, VSENSE = 4 V, VCSD = 0 V,
Tj = -40 °C to 150 °C
1740 2070 2820
Tj= 25°C...150°C
1750 2070 2562
IOUT = 1 A, VSENSE = 4 V, VCSD = 0 V, -15
Tj = -40 °C to 150 °C
15
IOUT = 2 A, VSENSE = 4 V, VCSD = 0 V,
Tj = -40 °C to 150 °C
1900 2000 2395
Tj = 25 °C to 150 °C
1899 2000 2282
IOUT = 2 A; VSENSE = 4 V, VCSD = 0 V, -9
Tj = -40 °C to 150 °C
9
IOUT = 4 A, VSENSE = 4 V, VCSD = 0 V,
Tj = -40 °C to 150 °C
1969 1990 2210
Tj = 25 °C to 150 °C
1950 1990 2153
IOUT = 4 A, VSENSE = 4 V, VCSD = 0 V, -6
Tj = -40 °C to 150 °C
6
IOUT = 0 A, VSENSE = 0 V, VCSD = 5 V,
VIN = 0 V, Tj = -40 °C to 150 °C
0
1
IOUT = 0 A, VSENSE = 0 V, VCSD = 0 V,
VIN = 5 V, Tj = -40 °C to 150 °C
0
2
IOUT = 2 A, VSENSE = 0 V, VCSD = 5 V,
VIN = 5 V, Tj = -40 °C to 150 °C
0
1
%
%
%
µA
VIN = 5 V, 8 V < VCC < 18 V
ISENSE = 5 µA
4 20 mA
IOUT = 4 A, VCSD = 0 V
5V
Doc ID 15532 Rev 1
11/40

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