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TPS658620ZQZT датащи(PDF) 65 Page - Texas Instruments |
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TPS658620ZQZT датащи(HTML) 65 Page - Texas Instruments |
65 / 104 page ![]() 3.57 BOOST CONVERTER TPS658620 Advanced Power Management Unit www.ti.com SLVS993 – OCTOBER 2009 Table 3-36. Non-DVM Supply Voltage Selection SUPPLYV1 [Addr 0x41] Bit Name VLDO0[2] VLDO0[1] VLDO0[0] VLDO1[4] VLDO1[3] VLDO1[2] VLDO1[1] VLDO1[0] Function LDO0 OUTPUT VOLTAGE (See Table 3-38) LDO1 OUTPUT VOLTAGE (See Table 3-37) SUPPLYV3 [Addr 0x43] Bit Name LDO7_SW LDO6_SW VLDO7[2] VLDO7[1] VLDO7[0] VLDO6[2] VLDO6[1] VLDO6[0] Function SPARE SPARE LDO7 OUTPUT VOLTAGE (See Table 3-38) LDO6 OUTPUT VOLTAGE (See Table 3-38) SUPPLYV4 [Addr 0x44] Bit Name LDORTC_ON RTC_PGOOD VRTC[2] VRTC[1] VRTC[0] VLDO3[2] VLDO3[1] VLDO3[0] Function RTC_LDO RTC_OUT RTC OUTPUT VOLTAGE (See Table 3-38) LDO3 OUTPUT VOLTAGE (See Table 3-38) ON/OFF LOW CONTROL VOLTAGE THRESHOLD SUPPLYV6 [Addr 0x46] Bit Name RSVD467 RSVD466 VLDO9[2] VLDO9[1] VLDO9[0] VLDO5[2] VLDO5[1] VLDO5[0] Function NOT USED NOT USED LDO9 OUTPUT VOLTAGE (See Table 3-38) LDO5 OUTPUT VOLTAGE (See Table 3-38) The available output voltages for the non-DVM supplies are shown below: Table 3-37. VLDO1[4:0] Settings RANGE [4:0] VOUT (V) [4:0] VOUT (V) [4:0] VOUT (V) [4:0] VOUT (V) 0.725V–1.50V 00000 0.725 01000 0.925 10000 1.125 11000 1.325 00001 0.750 01001 0.950 10001 1.150 11001 1.350 00010 0.775 01010 0.975 10010 1.175 11010 1.375 00011 0.800 01011 1.000 10011 1.200 11011 1.400 00100 0.825 01100 1.025 10100 1.225 11100 1.425 00101 0.850 01101 1.050 10101 1.250 11101 1.450 00110 0.875 01110 1.075 10110 1.275 11110 1.475 00111 0.900 01111 1.100 10111 1.300 11111 1.500 Table 3-38. VLDO0/3/5/6/7/8/9[2:0] and VRTC[2:0] Settings VLDOx[2:0] VOUT (V) VLDOx[2:0] VOUT (V) 000 1.25 100 2.70 001 1.50 101 2.85 010 1.80 110 3.10 011 2.50 111 3.30 Setting the RTC_OUT output voltage below the RTC_OUT power good threshold will result in a NORTC pulse always being generated during the reboot cycle or when exiting sleep. Setting the RTC_OUT output voltage below VUVLO_RTC disables the use of the internal real time clock counter and xtal oscillator. The TPS658620 has an integrated boost converter (SM3) that is optimized to drive white LED’s connected in a series configuration. Up to six series white LED’s can be driven, with programmable current and duty cycle adjustable via a dedicated I2C register. The SM3 boost Converter (SM3) has a 29v, 500mA low side integrated power stage switch, which drives the external inductor. Another integrated 29V, 25mA switch (LED switch) is used to modulate the external white LED’s brightness. Submit Documentation Feedback DETAILED DESCRIPTION 65 |
Аналогичный номер детали - TPS658620ZQZT |
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Аналогичное описание - TPS658620ZQZT |
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