DRV8876PWPR datasheet(30/51 Pages) TI2

部件名	DRV8876PWPR

功能描述	DRV8876 H-Bridge Motor Driver With Integrated Current Sense and Regulation

PDF	51 Pages

Scroll/Zoom	100%

制造商	TI2 [Texas Instruments]

网页	https://www.ti.com

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30 / 51 page

DRV8876

SLVSDS7B – AUGUST 2019 – REVISED NOVEMBER 2019

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If VADC = 3.3 V, IPEAK1 = 1 A, IPEAK2 = 0.5 A, and AIPROPI = 1000 µA/A455 µA/A then to maximize the dynamic

IPROPI voltage range an RIPROPI of approximately 2.2 kΩ should be selected.

The accuracy tolerance of RIPROPI can be selected based on the application requirements. 10%, 5%, 1%, 0.1%

are all valid tolerance values. The typical recommendation is 1% for best tradeoff between performance and cost.

In independent half-bridge mode, the internal current regulation of the device is disabled. VREF can be set directly

to the supply reference for the controller ADC.

8.2.2.3 Application Curves

Chan. 1 = OUT1

Chan. 2 = OUT2

Chan. 3 = EN/IN1

Chan. 4 = PH/IN2

Figure 38. Independent Half-Bridge PWM Operation

Chan. 1 = OUT1

Chan. 2 = OUT2

Chan. 3 = EN/IN1

Chan. 4 = PH/IN2

Figure 39. Independent Half-Bridge PWM Operation

DRV8876PWPR 数据表(PDF) 30 Page - Texas Instruments