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TPS658620ZQZT датащи(PDF) 77 Page - Texas Instruments |
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TPS658620ZQZT датащи(HTML) 77 Page - Texas Instruments |
77 / 104 page 3.62 ADC FUNCTIONAL OVERVIEW TPS658620 Advanced Power Management Unit www.ti.com SLVS993 – OCTOBER 2009 Table 3-55. CL_SEL[1:0] Setting (Default in BOLD) Total C_LOAD [pF] CL_SEL[1] CL_SEL[0] (typ) 0 0 1.5 0 1 6.5 1 0 7.5 1 1 12.5 The TPS658620 ADC is capable of running in a variety of modes programmable via I2C. The ADC control and data registers are accessible only by the standard I2C interface (SDA/SCLK). An internal 11:1 analog multiplexer is used to allow a single SAR converter to sequentially monitor up to 11 analog inputs, as shown inTable 3-56. Table 3-56. ADC Channel Settings FULL SCALE CHANNEL CONNECTION PARAMETER SAMPLED VOLTAGE RANGE SPECIAL FEATURES READING CH1 ANLG1 pin Internal pull-up current 2.6 V 0–2.6V source programmable CH2 ANLG2 pin 2.6 V User defined AVDD6-V(ANLGn)> via 400mV CH3 ANLG3 pin 2.6 V I2C: 0/ 3/10/50 µA Voltage proportional to 0V (charger off) to CH4 ISET pin — 2.6 V charge current 2.5V(fast charge) Voltage proportional to pack 0V (short) to 2.2V (no CH5 TS pin See Charger Section 2.6 V temperature thermistor) CH6 RSVD N/A N/A — 2.6 V CH7 LDO_RTC pin Internal LDO output voltage 0V to 3.3V — 4.622 V CH8 SYS pin System Power bus voltage 0V to 5.5V — 5.547 V CH9 VIN_CHG pin System Power bus voltage 0V to 5.5V — 5.547 V Battery pack positive CH10 BAT pin 0V to 4.6V — 4.622 V terminal voltage CH11 COMP pin COMP pin voltage 0V – 2.6V — 2.6 V Submit Documentation Feedback DETAILED DESCRIPTION 77 |
Аналогичный номер детали - TPS658620ZQZT |
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Аналогичное описание - TPS658620ZQZT |
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