DRV8350F, DRV8353F, DRV8350RF, DRV8353RF
DRV8350F, DRV8353F, DRV8350RF, DRV8353RF
www.ti.com
SLVSFV1 – SEPTEMBER 2020
SLVSFV1 – SEPTEMBER 2020
DRV835xF 100-V Three-Phase Smart Gate Driver
1 Features
3 Description
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•
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9 to 100-V, Triple half-bridge gate driver
The DRV835xF family of devices are highly-integrated
gate drivers for three-phase brushless DC (BLDC)
motor applications. The device variants provide
optional integrated current shunt amplifiers to support
different motor control schemes and a buck regulator
to power the gate driver or external controller.
– Optional integrated buck regulator
– Optional triple low-side current shunt amplifiers
Functional Safety Quality-Managed
– Documentation available to aid IEC 61800-5-2
functional safety system design
Smart gate drive architecture
– Adjustable slew rate control for EMI
performance
The DRV835xF uses smart gate drive (SGD)
architecture to decrease the number of external
components that are typically necessary for MOSFET
slew rate control and protection circuits. The SGD
architecture also optimizes dead time to prevent
shoot-through conditions, provides flexibility in
decreasing electromagnetic interference (EMI) by
MOSFET slew rate control, and protects against gate
short circuit conditions through VGS monitors. A strong
gate pulldown circuit helps prevent unwanted dV/dt
parasitic gate turn on events
– VGS handshake and minimum dead-time
insertion to prevent shoot-through
– 50-mA to 1-A peak source current
– 100-mA to 2-A peak sink current
– dV/dt mitigation through strong pulldown
Integrated gate driver power supplies
– High-side doubler charge pump For 100%
PWM duty cycle control
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Various PWM control modes (6x, 3x, 1x, and
independent) are supported for simple interfacing to
the external controller. These modes can decrease
the number of outputs required of the controller for the
motor driver PWM control signals. This family of
devices also includes 1x PWM mode for simple
sensored trapezoidal control of a BLDC motor by
using an internal block commutation table.
– Low-side linear regulator
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•
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Integrated LM5008A buck regulator
– 6 to 95-V operating voltage range
– 2.5 to 75-V, 350-mA output capability
Integrated triple current shunt amplifiers
– Adjustable gain (5, 10, 20, 40 V/V)
– Bidirectional or unidirectional support
6x, 3x, 1x, and independent PWM modes
– Supports 120° sensored operation
SPI or hardware interface available
Low-power sleep mode (20 µA at VVM = 48-V)
Integrated protection features
– VM undervoltage lockout (UVLO)
– Gate drive supply undervoltage (GDUV)
– MOSFET VDS overcurrent protection (OCP)
– MOSFET shoot-through prevention
– Gate driver fault (GDF)
Device Information
(1)PART NUMBER
DRV8350F
PACKAGE
BODY SIZE (NOM)
5.00 mm × 5.00 mm
7.00 mm × 7.00 mm
6.00 mm × 6.00 mm
7.00 mm × 7.00 mm
WQFN (32)
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•
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DRV8350RF (2)
DRV8353F (2)
DRV8353RF (2)
VQFN (48)
WQFN (40)
VQFN (48)
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
(2) Device is available for preview only.
9 to 75 V
7 to 100 V
– Thermal warning and shutdown (OTW/OTSD)
– Fault condition indicator (nFAULT)
Drain
Sense
DRV835xF
PWM
Three-Phase
Smart Gate Driver
SPI or H/W
M
Gate Drive
2 Applications
nFAULT
Current Sense
350 mA
Protection
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3-phase brushless-DC (BLDC) motor modules
Servo drives, Factory automation
Linear motor transport systems
Industrial collaborative robot
Autonomous Guided Vehicle, Delivery Drones
E-Bikes, E-scooters, and E-mobility
Current
Sense
3x Shunt Amplifiers
Buck Regulator
Simplified Schematic
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
Copyright © 2020 Texas Instruments Incorporated
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