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DRV8353M Datasheet(PDF) 54 Page - Texas Instruments |
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DRV8353M Datasheet(HTML) 54 Page - Texas Instruments |
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54 / 76 page  13.6.2.5 CSA Control Register (address = 0x06h) The CSA control register is shown in Figure 13-37 and described in Table 13-18. Register access type: Read/Write. Figure 13-37. CSA Control Register 10 9 8 7 6 5 4 3 2 1 0 CSA _FET VREF _DIV LS _REF CSA _GAIN DIS _SEN CSA _CAL_A CSA _CAL_B CSA _CAL_C SEN _LVL R/W-0b R/W-1b R/W-0b R/W-10b R/W-0b R/W-0b R/W-0b R/W-0b R/W-11b Table 13-18. CSA Control Field Descriptions Bit Field Type Default Description 10 CSA_FET R/W 0b 0b = Sense amplifier positive input is SPx 1b = Sense amplifier positive input is SHx (also automatically sets the LS_REF bit to 1) 9 VREF_DIV R/W 1b 0b = Sense amplifier reference voltage is VREF (unidirectional mode) 1b = Sense amplifier reference voltage is VREF divided by 2 8 LS_REF R/W 0b 0b = VDS_OCP for the low-side MOSFET is measured across SHx to SPx 1b = VDS_OCP for the low-side MOSFET is measured across SHx to SNx 7-6 CSA_GAIN R/W 10b 00b = 5-V/V shunt amplifier gain 01b = 10-V/V shunt amplifier gain 10b = 20-V/V shunt amplifier gain 11b = 40-V/V shunt amplifier gain 5 DIS_SEN R/W 0b 0b = Sense overcurrent fault is enabled 1b = Sense overcurrent fault is disabled 4 CSA_CAL_A R/W 0b 0b = Normal sense amplifier A operation 1b = Short inputs to sense amplifier A for offset calibration 3 CSA_CAL_B R/W 0b 0b = Normal sense amplifier B operation 1b = Short inputs to sense amplifier B for offset calibration 2 CSA_CAL_C R/W 0b 0b = Normal sense amplifier C operation 1b = Short inputs to sense amplifier C for offset calibration 1-0 SEN_LVL R/W 11b 00b = Sense OCP 0.25 V 01b = Sense OCP 0.5 V 10b = Sense OCP 0.75 V 11b = Sense OCP 1 V DRV8353M SLVSFO2 – JULY 2020 www.ti.com 54 Submit Document Feedback Copyright © 2020 Texas Instruments Incorporated Product Folder Links: DRV8353M |
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