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MP2733 Datasheet(PDF) 36 Page - MPS Industries, Inc. |
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MP2733 Datasheet(HTML) 36 Page - MPS Industries, Inc. |
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36 / 51 page ![]() MP2733 – 4.5A SW CHARGER WITH I2C CONTROL, NVDC POWER PATH, USB OTG MP2733 Rev. 1.1 www.MonolithicPower.com 36 5/18/2023 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2023 MPS. All Rights Reserved. REG0Ah: BATTFET Configuration Bit Name POR Reset by REG_RST Reset by WTD R/W Description Comment 7 SW_FREQ 0 Y Y R/W 0: 1.35MHz 1: 1MHz Sets the switching frequency. This bit is set to 0 by default. 6 TMR2X_EN 1 Y Y R/W 0: Disable 2x extended safety timer 1: Enable 2x extended safety timer 2x timer enable bit. It is set to 1 by default. 5 BATTFET_DIS 0 N N R/W 0: Allow the BATTFET to turn on 1: Force the BATTFET off This bit is set to 0 by default. 4 SYSRST_SEL 1 Y N R/W 0: Hardware reset 1: Software reset System reset selection bit. If this bit is set to 0, the DISC pin is pulled low for a time. Bits[1:0] of this register turn off the BATTFET for a time until bits[3:2] turn on the BATTFET. If this bit is set to 1, the off time is selected by bits[3:2]. This bit is set to 1 by default. 3 tDISC_H[1] 1 Y Y R/W 00: 0.5s 01: 2s 10: 4s 11: 8s These bits determine how long the DISC pin should be pulled low (BATTFET off time) to reset the BATTFET. These bits are set to 10 by default. 2 tDISC_H[0] 0 Y Y R/W 1 tDISC_L[1] 0 Y Y R/W 00: 8s 01: 10s 10: 12s 11: 16s These bits determine how long the DISC pin should be pulled low to turn off the BATTFET. These bits are set to 00 by default. 0 tDISC_L[0] 0 Y Y R/W |
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