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LM5064PMH/NOPB датащи(PDF) 49 Page - Texas Instruments |
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LM5064PMH/NOPB датащи(HTML) 49 Page - Texas Instruments |
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49 / 64 page ![]() LM5064 www.ti.com SNVS718E – JUNE 2011 – REVISED FEBRUARY 2013 Table 42. Current and Power Telemetry and Warning Conversion Coefficients (RS in mΩ) Commands Condition Format Number of m b R Units Data Bytes (1)READ_IIN, READ_AVG_IIN CL = VDD DIRECT 2 10742 x RS 1552 -2 A MFR_IIN_OC_WARN_LIMIT (1)READ_IIN, READ_AVG_IIN CL = VEE DIRECT 2 5456 x RS 2118 -2 A MFR_IIN_OC_WARN_LIMIT (1)READ_PIN, READ_AVG_PIN, CL = VDD DIRECT 2 1204 x RS 8524 -3 W READ_PIN_PEAK MFR_PIN_OP_WARN_LIMIT (1)READ_PIN, READ_AVG_PIN, CL = VEE DIRECT 2 612 x RS 11202 -3 W READ_PIN_PEAK MFR_PIN_OP_WARN_LIMIT (1) The coefficients relating to current/power measurements and warning thresholds shown in Table 41 are normalized to a sense resistor (RS) value of 1 mΩ. In general, the current/power coefficients can be calculated using the relationships shown. Care must be taken to adjust the exponent coefficient, R, such that the value of m remains within the range of - 32768 to +32767. For example, if a 5 m Ω sense resistor is used, the correct coefficients for the READ_IIN command with CL = VDD would be m = 5371, b = 155, R = -1. Copyright © 2011–2013, Texas Instruments Incorporated Submit Documentation Feedback 49 Product Folder Links: LM5064 |
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