Download BDTIC New NovalithIC™ BTN8982TA Integrated High Current Half-Bridge Motor Drivers

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Transcript
Product Brief
New NovalithIC™ BTN8982TA
BDTIC
Integrated High Current Half-Bridge Motor Drivers
The BTN8982TA is an integrated high current half bridge for motor drive applications.
It is part of the NovalithIC™ family containing one p-channel high-side MOSFET and
one n-channel low-side MOSFET with an integrated driver IC in one package.
Due to the p-channel high-side switch the need for a charge pump is eliminated thus
minimizing EMI.
Interfacing to a microcontroller is made easy by the integrated driver IC which features
logic level inputs, diagnosis with current sense, slew rate adjustment, dead time generation and protection against overtemperature, undervoltage, overcurrent and short
circuit.
The BTN8982TA provides a cost optimized solution for protected high current PWM
motor drives with very low board space consumption.
Performance BTN8982TA
Key Features
„„ Path resistance: max. 20.4mΩ @
150°C (typ. 10.0mΩ @ 25°C)
–– High side: max. 10.5mΩ @
150°C (typ. 5.3mΩ @ 25°C)
–– Low side: max. 9.9mΩ @
150°C (typ. 4.7mΩ @ 25°C)
„„ Capable for high PWM frequency
combined with active freewheeling
„„ Extended operating voltage range
down to 5.5V and up to 40V
„„ Low quiescent current of
typ. 7μA @ 25°C
„„ Current limitation level of 55A min.
Key Benefits
„„ Low quiescent current for an extended battery life
„„ Switched mode current limitation for reduced power dissipation in
overcurrent condition
„„ Integrated undervoltage, overtemperature, overcurrent protection and
analog current sense to minimize the external components required
„„ Option for on-board kilis offset calibration
„„ Reduced power losses vs. BTN79x0B
–– switching losses typically up to 50%
–– conducting losses up to ~ 50% (compared to BTN796xB/BTN797xB)
„„ Enhanced operating voltage range 5.5–40V
„„ Pin compatible to existing NovalithIC™ family
„„ Enhanced switching speed with adjustable slew rate for optimized EMI and
reduced switching losses
www.infineon.com/novalithic
„„ Status flag diagnosis with current
sense capability
„„ Overtemperature shut down with
latch behavior and undervoltage
shut down
„„ Driver circuit with logic level inputs
„„ Green product (RoHS compliant)
„„ AEC qualified
www.BDTIC.com/infineon
Product Brief
New NovalithIC™ BTN8982TA
Integrated High Current Half-Bridge Motor Drivers
Block Diagram
VS
Undervoltage
Detection
Current
Sense
Overcurrent
Detection HS
Overtemp.
Detection
IS
Gate Driver HS
Digital Logic
LS off
IN
HS off
OUT
Gate Driver LS
BDTIC
Slew Rate
Adjustment
INH
Overcurrent
Detection LS
SR
GND
Applications Diagram
Microcontroller
XC866
WO
Reset
RO
VDD
Q
VSS
D
I/O I/O I/O I/O I/O
SR
OUT
GND
XC866
e.g.
IPD90P03P4L-04
GND
WO
Reset
RO
OUT
GND
VDD
Q
VSS
D
I/O I/O I/O
BTN8982TA
VS
INH
M
Voltage Regulator
I/O
VS
I
BTN8982TA
VS
IS
Microcontroller
TLE4278G
INH
IN
Reverse Polarity
Protection
Voltage Regulator
I/O
VS
TLE4278G
e.g.
IPD90P03P4L-04
GND
BTN8982TA
VS
INH
IN
IN
IS
IS
SR
SR
High Current H-Bridge
I
Reverse Polarity
Protection
OUT
M
GND
High Current Half-Bridge
Applications: High current DC- or brushless DC (BLDC) motor drives for use in applications like:
„„ Power windows
„„ Sun roof
„„ Central door lock
„„ Seat positioning
„„ Front and rear wiper
„„ 4 wheel transfer case
„„ Electronically Controlled Manual
Transmission (ECMT)
„„ Cooling fan / HVAC blower
„„ Seat belt pretensioner
„„ Electric parking brake
Attention please!
The information given in this document shall in no event
be regarded as a guarantee of conditions or characteristics
(“Beschaffenheitsgarantie”). With respect to any examples
or hints given herein, any typical values stated herein and/
or any information regarding the application of the device,
Infineon Technologies hereby disclaims any and all warranties and liabilities of any kind, including without limitation
warranties of non-infringement of intellectual property
rights of any third party.
Published by
Infineon Technologies AG
85579 Neubiberg, Germany
© 2013 Infineon Technologies AG.
All Rights Reserved.
Visit us:
www.infineon.com
Order Number: B124-H0000-X-X-7600
Date: 09 / 2013
Information
For further information on technology, delivery terms and
conditions and prices please contact your nearest Infineon
Technologies Office (www.infineon.com).
„„ Sliding door / door soft close
„„ Power lift gate
„„ Fuel pump / water pump
„„ Industrial motor drives (automation,
home appliance, robotics, medical)
Warnings
Due to technical requirements components may contain
dangerous substances. For information on the types in
question please contact your nearest Infineon Technologies Office. Infineon Technologies Components may only
be used in life-support devices or systems with the express
written approval of Infineon Technologies, if a failure of
such components can reasonably be expected to cause
the failure of that life-support device or system, or to affect
the safety or effectiveness of that device or system. Life
support devices or systems are intended to be implanted
in the human body, or to support and/or maintain and
sustain and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons
may be endangered.
www.BDTIC.com/infineon