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DRV8305NPHP Datasheet(PDF) 4 Page - Texas Instruments |
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DRV8305NPHP Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 59 page  4 DRV8305 SLVSCX2B – AUGUST 2015 – REVISED FEBRUARY 2016 www.ti.com Product Folder Links: DRV8305 Submit Documentation Feedback Copyright © 2015–2016, Texas Instruments Incorporated Pin Functions (continued) PIN TYPE DESCRIPTION NAME NO. SP3 20 I Current amplifier positive input Positive input of current sense amplifier 3 SN2 21 I Current amplifier negative input Negative input of current sense amplifier 2 SP2 22 I Current amplifier positive input Positive input of current sense amplifier 2 SN1 23 I Current amplifier negative input Negative input of current sense amplifier 1 SP1 24 I Current amplifier positive input Positive input of current sense amplifier 1 GLC 25 O Low-side gate driver Low-side gate driver output for half-bridge C SLC 26 I Low-side source connection Low-side source connection for half-bridge C SHC 27 I High-side source connection High-side source connection for half-bridge C GHC 28 O High-side gate driver High-side gate driver output for half-bridge C GHB 29 O High-side gate driver High-side gate driver output for half-bridge B SHB 30 I High-side source connection High-side source connection for half-bridge B SLB 31 I Low-side source connection Low-side source connection for half-bridge B GLB 32 O Low-side gate driver Low side gate driver output for half-bridge B GLA 33 O Low-side gate driver Low-side gate driver output for half-bridge A SLA 34 I Low-side source connection Low-side source connection for half-bridge A SHA 35 I High-side source connection High-side source connection for half-bridge A GHA 36 O High-side gate driver High-side gate driver output for half-bridge A VCP_LSD 37 P Low-side gate driver regulator Internal voltage regulator for low-side gate driver; connect 1-µF capacitor to GND VCPH 38 P High-side gate driver regulator Internal charge pump for high-side gate driver; connect 2.2-µF capacitor to PVDD CP2H 39 P Charge pump flying capacitor Flying capacitor for charge pump; connect 0.047-µF capacitor between CP2H and CP2L CP2L 40 P PVDD 41 P Power supply Device power supply; minimum 4.7-µF ceramic capacitor to GND CP1L 42 P Charge pump flying capacitor Flying capacitor for charge pump; connect 0.047-µF capacitor between CP1H and CP1L CP1H 43 P VDRAIN 44 P High-side drain High-side MOSFET drain connection; common for all three half bridges DVDD 46 P Digital regulator 3.3-V internal digital-supply regulator; bypass to GND with a 6.3- V, 1-µF ceramic capacitor WAKE 47 I Wake up from sleep control pin High voltage tolerant input pin to wake-up device from SLEEP; pin cannot be used to disable LDO; driver needs to be enabled and disabled separately VREG 48 P VREG/VREF Dual purpose pin based on part number; also supplies internal amplifier reference voltage and SDO pullup. VREG: 3.3-V or 5-V, 50-mA LDO; connect 1-µF to GND VREF: Reference voltage; LDO disabled PowerPAD (GND) P Device ground Must be connected to ground |
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