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RT9481 Datasheet(PDF) 31 Page - Richtek Technology Corporation |
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RT9481 Datasheet(HTML) 31 Page - Richtek Technology Corporation |
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31 / 41 page  RT9481 Copyright © 2015 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. DS9481-00 June 2015 www.richtek.com 31 Function Register Address b[7] (MSB) b[6] b[5] b[4] b[3] b[2] b[1] b[0] (LSB) Charger Status 2 0X09 Meaning TSD_ STAT VBUSO VP_STAT CHRVP_ STAT CHBATOV_ STAT Reversed Reversed CHGGOODA DP_ STAT CHGBADAD P_ STAT Default 0 0 0 0 0 0 1 0 Read/ Write R R R R R R R R TSD_STAT Thermal shutdown fault. Set when the die temperature exceeds thermal shutdown threshold. 0 : Thermal shutdown is not on going 1 : Thermal shutdown is on going VBUSOVP_STAT VBUS over voltage protection. Set when VBUS > VIN_OVP is detected. 0 : VBUS is not over voltage 1 : VBUS is over voltage CHRVP_STAT Charger fault. Reverse protection fault (VBUS < ISENSN + VSLP) 0 : Reverse protection is not occur 1 : Reverse protection is occur CHBATOV_STAT Charger fault. Battery OVP. 0 : Battery is not OVP 1 : Battery is OVP CHGGOODADP_STAT Good adaptor detection. It is only enabled in the VBUS plug-in. Once it pass the detection, it will always high and enable charging. 0 : Adaptor is not good adaptor 1 : Adaptor is good adaptor CHGBADADP_STAT Bad adaptor detection. It is used to indicate the adaptor input voltage is lower than 3.8V during the charging 0 : Adaptor is not bad adaptor 1 : Adaptor is bad adaptor Function Register Address b[7] (MSB) b[6] b[5] b[4] b[3] b[2] b[1] b[0] (LSB) Charger Status 3 0X0A Meaning CHTREG_ STAT CHMIVR_ STAT CHAICR_ STAT CHRCHG_S TAT Reversed Reversed Reversed Reversed Default 0 0 0 0 0 0 0 0 Read/ Write R R R R R/W R/W R/W R/W CHTREG_STAT Charger warning. Thermal regulation loop active. 0 : Thermal regulation loop is not active 1 : Thermal regulation loop is active CHMIVR_STAT Charger warning. Input voltage MIVR loop active. 0 : MIVR loop is not active 1 : MIVR loop is active CHAICR_STAT Charger warning. Input current AICR loop active. 0 : AICR loop is not active 1 : AICR loop is active CHRCHG_STAT Indicate battery voltage is below re-charge level under charging 0: Battery voltage higher re-charge level 1 : Battery voltage lower re-charge level |
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