Microchip ATA6847T-3333E/NHX, Brushless DC Motor Driver 40-Pin, VQFN

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2 - 18SGD3.30SGD6.60
20 - 198SGD2.975SGD5.95
200 - 998SGD2.745SGD5.49
1000 - 1998SGD2.54SGD5.08
2000 +SGD2.065SGD4.13

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Packaging Options:
RS Stock No.:
352-173
Mfr. Part No.:
ATA6847T-3333E/NHX
Manufacturer:
Microchip
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Brand

Microchip

Motor Type

Brushless

Product Type

DC Motor Driver

Configuration

3 Phase

Mount Type

Surface

Package Type

VQFN

Output Current

2A

Pin Count

40

Minimum Supply Voltage

3V

Maximum Supply Voltage

42V

Minimum Operating Temperature

-40°C

Typical Switching Frequency

50kHz

Maximum Operating Temperature

125°C

Standards/Approvals

ISO 26262:2018, ASIL B, SIL 2, RoHS, IEC 61508:2010

Length

5mm

Width

5 mm

Height

0.9mm

Supply Current

15μA

Automotive Standard

No

COO (Country of Origin):
TH
The Microchip 3 Phase Brushless Motor Gate Driver System Basis Chip (SBC) for brushless motor control, designed using advanced SOI technology. In combination with a microcontroller and six discrete power MOSFETs, the SBC forms a brushless DC motor control unit. Through six dedicated parallel inputs, the gate driver units (GDU) can be controlled independently, supporting duty cycle operations from 0% to 100%, due to the implementation of two charge pumps, for low and high-side gate drives. In addition, the circuit provides 5V and 3.3V low dropout voltage regulators, two current-sensing operational amplifiers, an integrated Back-EMF detection module and a window watchdog. The microcontroller controls the ATA6847 using an SPI interface.

Power supply voltage range from 3V to 42V

Sleep deep sleep mode with maximum 15 μA current consumption with full wake-up capability local wake-up

3.3V or 5V microcontroller interface

Up to 4 MHz SPI bus for device configuration and register access

SPI frame error detection

Dedicated NIRQ pin for MCU external interrupt to report events directly

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