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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MP8845 датащи(PDF) 13 Page - Monolithic Power Systems |
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MP8845 датащи(HTML) 13 Page - Monolithic Power Systems |
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13 / 23 page  MP8845 – 5A, HIGHLY EFFICIENT, SYNC, STEP-DOWN SWITCHER WITH I2C MP8845 Rev. 1.1 www.MonolithicPower.com 13 2/23/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2017 MPS. All Rights Reserved. REGISTERS AND DESCRIPTIONS Register Map ADD NAME R/W D7 D6 D5 D4 D3 D2 D1 D0 00 VSEL R/W Enable Output reference 01 SysCntlreg1 R/W Switching frequency GLFILT Reserved PG LO HI VIN OVP MODE 02 SysCntlreg2 R/W Reserved GO OUT DIS Reserved Slew rate 03 ID1 R Vendor ID Die ID 04 ID2 R Reserved Die rev 05 Status R ILIM UVLO OVP VOOV VOUV PGOOD OTW ENSTAT Default Value of Register ADD NAME R/W D7 D6 D5 D4 D3 D2 D1 D0 00 VSEL R/W 1 1 0 0 1 1 0 1 01 SysCntlreg1 R/W 0 1 0 0 1 1 0 1 02 SysCntlreg2 R/W 0 0 0 0 0 0 0 0 03 ID1 R 0 0 0 1 0 0 0 1 04 ID2 R 0 0 0 0 0 0 0 0 05 Status R N/A N/A N/A N/A N/A N/A N/A N/A Register Description 1. Reg00 VSEL NAME BITS DESCRIPTION Enable D7 I 2C controlled enable bit. When EN is low, the converter is off. When EN is high, the Enable bit takes over. Output reference D[6:0] Set the output voltage from 0.6V to 1.1V (see Table 1). Table 1: Output Voltage Chart D[6:0] VOUT D[6:0] VOUT D[6:0] VOUT D[6:0] VOUT 000 0000 0.6000 010 0000 0.7260 100 0000 0.8520 110 0000 0.9780 000 0001 0.6039 010 0001 0.7299 100 0001 0.8559 110 0001 0.9819 000 0010 0.6079 010 0010 0.7339 100 0010 0.8598 110 0010 0.9858 000 0011 0.6118 010 0011 0.7378 100 0011 0.8638 110 0011 0.9898 000 0100 0.6157 010 0100 0.7417 100 0100 0.8677 110 0100 0.9937 000 0101 0.6197 010 0101 0.7457 100 0101 0.8717 110 0101 0.9976 000 0110 0.6236 010 0110 0.7496 100 0110 0.8756 110 0110 1.0016 000 0111 0.6276 010 0111 0.7535 100 0111 0.8795 110 0111 1.0055 000 1000 0.6315 010 1000 0.7575 100 1000 0.8835 110 1000 1.0094 000 1001 0.6354 010 1001 0.7614 100 1001 0.8874 110 1001 1.0134 000 1010 0.6394 010 1010 0.7654 100 1010 0.8913 110 1010 1.0173 000 1011 0.6433 010 1011 0.7693 100 1011 0.8953 110 1011 1.0213 000 1100 0.6472 010 1100 0.7732 100 1100 0.8992 110 1100 1.0252 000 1101 0.6512 010 1101 0.7772 100 1101 0.9031 110 1101 1.0291 000 1110 0.6551 010 1110 0.7811 100 1110 0.9071 110 1110 1.0331 000 1111 0.6591 010 1111 0.7850 100 1111 0.9110 110 1111 1.0370 001 0000 0.6630 011 0000 0.7890 101 0000 0.9150 111 0000 1.0409 001 0001 0.6669 011 0001 0.7929 101 0001 0.9189 111 0001 1.0449 001 0010 0.6709 011 0010 0.7968 101 0010 0.9228 111 0010 1.0488 001 0011 0.6748 011 0011 0.8008 101 0011 0.9268 111 0011 1.0528 001 0100 0.6787 011 0100 0.8047 101 0100 0.9307 111 0100 1.0567 001 0101 0.6827 011 0101 0.8087 101 0101 0.9346 111 0101 1.0606 |
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