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5962R9951105VZA

Description
Buffer/Inverter Based MOSFET Driver
CategoryAnalog mixed-signal IC    Drivers and interfaces   
File Size1MB,31 Pages
ManufacturerSTMicroelectronics
Websitehttp://www.st.com/
Download Datasheet Parametric View All

5962R9951105VZA Overview

Buffer/Inverter Based MOSFET Driver

5962R9951105VZA Parametric

Parameter NameAttribute value
MakerSTMicroelectronics
package instructionDFP-10
Reach Compliance Codecompliant
high side driverNO
Interface integrated circuit typeBUFFER OR INVERTER BASED MOSFET DRIVER
JESD-30 codeS-XDFP-F10
length6.48 mm
Number of functions2
Number of terminals10
Maximum operating temperature125 °C
Minimum operating temperature-55 °C
Package body materialUNSPECIFIED
encapsulated codeDFP
Package shapeSQUARE
Package formFLATPACK
Filter levelMIL-PRF-38535 Class V
Maximum seat height2.62 mm
Maximum supply voltage18 V
Minimum supply voltage4.65 V
Nominal supply voltage10 V
surface mountYES
Temperature levelMILITARY
Terminal formFLAT
Terminal pitch1.27 mm
Terminal locationDUAL
total dose100k Rad(Si) V
Disconnect time0.3 µs
connection time0.3 µs
width6.48 mm

5962R9951105VZA Preview

RHRPM4423
Datasheet
Rad-hard 4.5 A dual inverting low-side MOSFET driver
Features
Wide operating voltage range: 4.65 V to 18 V
Parallel driving capability up to 9 A
Inverting configuration
Input 5 V logic level compatibility
110 ns typical propagation delay
Matched propagation delays between the two channels (5 ns max.)
20 mV maximum low level output voltage
30 ns rise and fall times
+/-5 V common mode bouncing between signal and power grounds
TID:
100 krad HDR
100 krad LDR
QML-V qualification
Hermetic package
FLAT-1 0
FLAT-1 6
Applications
Switch mode power supply
DC-DC converters
Motor controllers
Line drivers
Maturity status link
RHRPM4423
Description
The
RHRPM4423
is a flexible, high-frequency dual low-side driver specifically
designed to work with high capacitive MOSFETs and IGBTs in an environment with
high levels of radiation such as aerospace. The
RHRPM4423
outputs can sink and
source 4.5 A of peak current independently. If two PWM outputs are in parallel, a
higher driving current (up to 9 A peak) can be achieved. The
RHRPM4423
works with
CMOS/TTL compatible PWM signal so it can be driven by an external PWM
controller, such as the ST1843 or the ST1845. The FLAT-16 version conforms to an
industry standard pinout and can dissipate up to 550 mW per channel, while FLAT-10
version optimizes the PCB real estate. Since both of packages are hermetic, this
device is suitable for any kind of harsh-environment.
DS11827
-
Rev 3
-
May 2019
For further information contact your local STMicroelectronics sales office.
www.st.com
RHRPM4423
Block diagram
1
Block diagram
Figure 1.
Block diagram
VCC
VCC
PWM_1
S witching
Ma na ge r
Ga te
Drive r
OUTH_1
OUTL_1
UVLO
VCC
PWM_2
S witching
Ma na ge r
Ga te
Drive r
OUTH_2
OUTL_2
S GND
PGND
GIPD150420161219MT
DS11827
-
Rev 3
page 2/31
RHRPM4423
Pin configuration
2
Pin configuration
Figure 2.
Pin configuration (top view)
PWM_1
SGND
PGND
NC
PWM_2
1
2
3
4
5
10
9
8
7
6
OUTL_1
OUTH_1
VCC
OUTH_2
OUTL_2
FLAT-10
NC
PWM_1
NC
SGND
PGND
NC
PWM_2
NC
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
NC
OUTL_1
OUTH_1
VCC
VCC
OUTH_2
OUTL_2
NC
FLAT-16
GIPD150420161220MT
Note:
FLAT-10: the upper metallic package lid is connected to pin 4.
FLAT-16: the upper metallic package lid and the metallized bottom surface are electrically floating.
Table 1.
Pin description
Pin name
FLAT-10
8
3
FLAT-16
12
13
5
Name
Type
Description
Supply voltage. Low ESR bypass (for example MLCC
type) capacitor to the PCB ground plane.
Ground reference for output drivers. Connect this pin to
the PCB ground plane.
Ground reference for PWM input pins. Input pin (PWM_1,
PWM_2 and SGND) common mode can range +/-5 V
versus PGND. Ground reference for PWM input pins. Input
pin (PWM_1, PWM_2 and SGND) common mode can
range +/-5 V versus PGND.
PWM input signal (inverting) for driver 1 featuring TTL/
CMOS compatible threshold and hysteresis. Do not leave
the pin floating.
PWM input signal (inverting) for driver 2 featuring TTL/
CMOS compatible threshold and hysteresis. Do not leave
the pin floating.
High-side open drain pin of driver 1. Connect this pin to
OUTL_1 either directly or by an external resistor if an
asymmetric ON/OFF switching time is required.
Low-side open drain pin of driver 1. Connect this pin to
OUTH_1 either directly or by an external resistor if an
asymmetric ON/OFF switching time is required.
High-side open drain pin of driver 2. Connect this pin to
OUTL_2 either directly or by an external resistor if an
asymmetric ON/OFF switching time is required.
Low-side open drain pin of driver 2. Connect this pin to
OUTH_2 either directly or by an external resistor if an
asymmetric ON/OFF switching time is required.
VCC
PGND
Supply
Ground
2
4
SGND
Ground
1
2
PWM_1
I
5
7
PWM_2
I
9
14
OUTH_1
O
10
15
OUTL_1
O
7
11
OUTH_2
O
6
10
OUTL_2
O
DS11827
-
Rev 3
page 3/31
RHRPM4423
Pin configuration
Pin name
FLAT-10
FLAT-16
1
3
4
6
9
16
Name
Type
Description
NC
Not connected pin. Leave it floating or connect it to any
potential.
DS11827
-
Rev 3
page 4/31
RHRPM4423
Typical application diagram
3
Typical application diagram
Figure 3.
Typical application diagram
VCC
PWM_1
OUTH_1
OUTL_1
PWM_2
OUTH_2
OUTL_2
PGND
SGND
GIPD150120161340MT
Note:
SGND and PGND can be shorted or decoupled up to +/-5 V.
Figure 4.
Typical application diagram as buck switching regulator
VCC
PWM
CTRL
PWM_1
OUTH_1
OUTL_1
L
PWM_2
OUTH_2
OUTL_2
PGND
R
L
C
L
SGND
Output
regulated
voltage
GIPD150120161341MT
Note:
SGND and PGND can be shorted or decoupled up to +/-5 V.
In
Figure 4. Typical application diagram as buck switching regulator,
the output stage of the RHRPM4423 device
directly drives an inductor; in this configuration, the RHRPM4423 output stages are in parallel to exploit the
maximum current capability of the device. The MOSFET driver works as a synchronous buck converter.
DS11827
-
Rev 3
page 5/31
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