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SM72295MA Folha de dados(PDF) 1 Page - Texas Instruments

Nome de Peças SM72295MA
Descrição Electrónicos  SM72295 Photovoltaic Full Bridge Driver
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Fabricante Electrônico  TI [Texas Instruments]
Página de início  http://www.ti.com
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SM72295MA Folha de dados(HTML) 1 Page - Texas Instruments

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PV
+
-
Vin
Vout
+
-
R13
C6
1
uF
R5
500
C3
1
uF
R7
500
R8
500
R3
40k
R4
40k
R9
10k
C2
C7
5V
C1
10V
optional
optional
C8
10 nF
C4
0.47 uF
R15
10m
R10
R14
C5
0.47 uF
R11
R16
10m
R12
R6
500
C10
10n
SM72295
www.ti.com
SNVS688E – OCTOBER 2010 – REVISED APRIL 2013
SM72295 Photovoltaic Full Bridge Driver
Check for Samples: SM72295
1
FEATURES
DESCRIPTION
The SM72295 is designed to drive 4 discrete N type
2
Renewable Energy Grade
MOSFET’s in a full bridge configuration. The drivers
Dual Half Bridge MOSFET Drivers
provide 3A of peak current for fast efficient switching
Integrated 100V Bootstrap Diodes
and integrated high speed bootstrap diodes. Current
sensing is provided by 2 transconductance amplifiers
Independent High and Low Driver Logic Inputs
with externally programmable gain and filtering to
Bootstrap Supply Voltage Range up to 115V
remove ripple current to provide average current
DC
information to the control circuit. The current sense
Two Current Sense Amplifiers with Externally
amplifiers have buffered outputs available to provide
Programmable Gain and Buffered Outputs
a low impedance interface to an A/D converter if
needed. An externally programmable input over
Programmable Over Voltage Protection
voltage comparator is also included to shutdown all
Supply Rail Under-Voltage Lockouts with
outputs. Under voltage lockout with a PGOOD
Power Good Indicator
indicator prevents the drivers from operating if VCC is
too low.
PACKAGE
SOIC-28
Typical Application Circuit
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2010–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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