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DRV8904QPWPRQ1

制造商型号：
DRV8904QPWPRQ1
制造商：
Texas Instruments
产品类型：
Multi-Channel Half-Bridge Driver
系列：
DRV89xx-Q1
封装：
HTSSOP-24
描述：
Multi-Channel Half-Bridge Driver

产品属性

属性数值
Supply VoltageVM 4.5 to 32 V; VDD logic supply 3.0 to 5.5 V
Output Current1 A RMS per output, subject to thermal design; 6 A maximum for paralleled outputs is a family limit, not per-channel current
Control Interface5-MHz, 16-bit SPI; daisy-chain support
ProtectionOvercurrent, undervoltage/overvoltage, enhanced open-load detection, thermal warning/shutdown and nFAULT
Operating Temperature-40 to +125 °C ambient; -40 to +150 °C junction
Outputs4 independently controlled half-bridges with integrated power MOSFETs
On Resistance0.75 ohm typical per high-side or low-side FET at VM = 13.5 V, IOUT = 0.5 A, TA = 25 °C
PWM8-bit duty-cycle resolution; 80/100/200/2000 Hz typical selectable PWM rates
Package DetailsHTSSOP PowerPAD, PWP, 24 pins; 7.8 x 4.4 mm body; 0.65 mm pitch; 1.2 mm maximum height

产品描述

DRV8904QPWPRQ1 integrates four half-bridges for a 4.5 to 32 V motor supply and has a separate 3.0 to 5.5 V logic supply. The independently controlled outputs can form two full bridges or drive separate high-side and low-side loads. Integrated PWM and SPI configuration let the host set drive states and read detailed channel diagnostics.

The integrated power outputs distinguish this device from a gate driver that requires external bridge MOSFETs. Parallel-output operation can increase available current, but package dissipation and the shared supply-current limit still constrain the combination.

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