DRV8244-Q1中文資料德州儀器數(shù)據(jù)手冊PDF規(guī)格書

1 Features

? AEC-Q100 qualified for automotive applications:

– Temperature grade 1: –40°C to +125°C, TA

? – Documentation available to aid functional safety

system design

? 4.5-V to 35-V (40-V abs. max) operating range

? VQFN-HR package: RON_LS + RON_HS: 47 mΩ

? HVSSOP package: RON_LS + RON_HS: 60 mΩ

? IOUT Max = 21 A

? PWM frequency operation up to 25 KHz with

automatic dead time assertion

? Configurable slew rate and spread spectrum

clocking for low electromagnetic interference (EMI)

? Integrated current sense (eliminates shunt resistor)

? Proportional load current output on IPROPI pin

? Configurable current regulation

? Protection and diagnostic features with

configurable fault reaction (latched or retry)

– Load diagnostics in both the off-state and onstate

to detect open load and short circuit

– Voltage monitoring on supply (VM)

– Over current protection

– Over temperature protection

– Fault indication on nFAULT pin

? Supports 3.3-V, 5-V logic inputs

? Low sleep current - 1μA typical at 25°C

? 3 variants - HW (H), SPI (S) or SPI (P)

? Configurable control modes:

– Single full bridge using PWM or PH/EN mode

– Two half-bridges using Independent mode

? Device family comparison table