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ALLEGRO A4915METTR-T product image
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ALLEGRO A4915METTR-TRoHS

Manufacturer
ALLEGRO
MPN
A4915METTR-T
LCSC Part #
C136637
Packaging
QFN-28-EP(5x5)
Customer #
Key Attributes
3-Phase MOSFET Driver
Datasheetpdf iconALLEGRO A4915METTR-T
In-Stock: 799
799 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 4.2311$ 4.23
10+$ 3.6856$ 36.86
30+$ 3.3615$ 100.85
100+$ 3.2931$ 329.31
500+$ 3.1416$ 1570.80
1,000+$ 3.0732$ 3073.20
Standard Packaging3000/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Motor Drivers, Controllers
ManufacturerALLEGRO
PackagingQFN-28-EP(5x5)
Drive TypeThree Phase
FeaturesInterleaved conduction protection;Soft switching
TechnologyNo
Operating temperature-20℃~+105℃
Voltage - Supply3V~5.5V
Quiescent Current(Iq)1uA
Output Current-
Peak Current-
Number of Half Bridges-
RDS(on)-
Interface-
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging3000
Sales UnitPiece

Introduction

AI Translation

The A4915 is designed for pulse width modulated (PWM) current control of 3-phase brushless DC motors. The A4915 is capable of high current gate drive for 6 all N-channel power MOSFETs. An internal charge pump ensures gate drive down to 7 V supply and provides limited gate drive down to 5 V. A bootstrap capacitor is used to generate a supply voltage greater than the source voltage of the high side MOSFET, required for N-channel MOSFETs. Internal synchronous rectification control circuitry is provided to improve power dissipation in the external MOSFETs during PWM operation. Internal circuit protection includes latched thermal shutdown, dead time protection, and undervoltage lockout. Special power up sequencing is not required. The A4915 is supplied in a 28-pin TSSOP with an exposed thermal pad (suffix LP) and a 28-contact 5×5 mm QFN with an exposed thermal pad (suffix ET). These packages are lead (Pb) free, with 100% matte-tin leadframe plating. The A4915 is a 3-phase MOSFET driver intended to drive high current MOSFETs. It is designed for use in battery operated equipment where low-voltage operation is critical. The A4915 also features a low current sleep mode which disables the device and draws minimum supply current. The A4915 is capable of driving 6 N-channel MOSFETs. Commutation logic includes Enable, Direction, and Brake modes for external PWM control. A Speed input is provided which allows an external source to PWM the bridge at 30 kHz typical. The PWM duty cycle is controlled by applying an analog voltage to the SPEED pin from 0 V to VDD.

Features

AI Translation
  • 5 to 50 V supply voltage
  • Latched TSD with fault output
  • Drives six N-channel high current MOSFETs
  • Internally controlled synchronous rectification
  • Speed voltage input enables internal PWM duty cycle control of full bridge
  • Center aligned PWM
  • Internal UVLO and crossover current protection
  • Hall switch inputs
  • Adjustable dead time protection
  • Low power sleep mode for battery-powered applications