parameter：
|
Rating |
Catalog |
|
Control method |
External Control |
|
Architecture |
Integrated FET |
|
Control interface |
6xPWM, 3xPWM |
|
RDS(ON) (HS + LS) (mOhms) |
95 |
|
Peak output current (A) |
8 |
|
Vs (Min) (V) |
4.5 |
|
Vs ABS (Max) (V) |
40 |
|
Features |
Integrated FETs, Buck Step Down Converter, Current Sense Amplifier, Slew Rate Adjustment |
|
Operating temperature range (C) |
-40 to 125 |
Package | pin | size：
|
VQFN (RGF) |
40 |
35 mm² 5 x 7 |
|
VQFN (RGF) |
40 | — |
characteristic:
Three phase PWM motor driver
Three phase brushless DC motor
4.5V to 35V operating voltage range
40V absolute maximum voltage
High output current capability
8A peak current drive capability
Low on state resistance
When TA = 25 ° C, RDS (on) (HS + LS) is 95m Ω
Low power sleep mode
1.5µA（VVM = 24V，TA = 25°C）
Multiple control interface options
6X PWM control interface
3x PWM control interface
Support PWM frequency of 200kHz
Cycle by cycle current limit
Built in integrated current sensing
No external resistance required
SPI and hardware device model
5MHz 16 bit SPI communication
Support 1.8V, 3.3V and 5V logic input
Built in 3.3V, 30mA LDO Regulator
Built in 3.3v/5v, 200mA step-down regulator
Delay compensation is designed to reduce duty cycle distortion
Integrated protection features
VM undervoltage lockout (UVLO)
Charge pump undervoltage (cpuv)
Overcurrent protection (OCP)
Thermal warning and thermal shutdown (otw/otsd)
Fault condition indication pin (nfault)
explain:
Drv8316 provides three and a half H-bridge integrated MOSFET Drivers for driving three-phase brushless DC (BLDC) motors for 12v/24v DC power rail or battery powered applications. Such applications include field oriented control (FOC), sinusoidal current control and trapezoidal current control of BLDC motors. The device integrates three current sensing amplifiers (CSA) with built-in current sensing function, which can sense the three-phase current of BLDC motor.
Each output driver channel contains an n-channel power MOSFET in a half bridge configuration. The device supports various PWM control modes, thus using a simple interface to connect to the control circuit that can be powered by 30mA, 3.3V internal voltage regulator (avdd). Drv8316r/t also supports step-down regulator, which can support 200mA current in combination with programmable regulated power supply. The device supports a maximum PWM frequency of 200kHz.
Internal protection functions for undervoltage lockout (UVLO), overvoltage protection (OVP), charge pump undervoltage (cpuv), overcurrent protection (OCP), over temperature warning (OTW) and over temperature shutdown (otsd) are provided. The fault status is indicated by the nfault pin.
Picture display：
