RT1730
Addr Length
RegName
Bit
BitName
Default Type
Description
0b : VBUS_SINK_DISCONNECT_THRESHOLD
not implemented (default : Use
POWER_STATUS.VbusPresent = 0b to indicate
a Sink disconnect)
7
SINK_DISCONNECT_DET
0
0
R
R
1b : VBUS_SINK_DISCONNECT_THRESHOLD
implemented
0b : VBUS_STOP_DISCHARGE_THRESHOLD
not implemented (default)
6
STOP_DISC_THD
1b : VBUS_STOP_DISCHARGE_THRESHOLD
implemented
00 : TCPC has 25mV LSB for its voltage alarm
and uses all 10 bits in
VBUS_VOLTAGE_ALARM_HI_CFG and
VBUS_VOLTAGE_ALARM_LO_CFG.
01 : TCPC has 50mV LSB for its voltage alarm
and uses only 9 bits.
VBUS_VOLTAGE_ALARM_HI_CFG[0]
and
DEVICE_CAPA
BILITIES_2L
0x26
1
5:4
VBUS_VOL_ALARM_LSB
11
R
VBUS_VOLTAGE_ALARM_LO_CFG[0]
are ignored by TCPC.
10 : TCPC has 100mV LSB for its voltage alarm
and uses only 8 bits.
VBUS_VOLTAGE_ALARM_HI_CFG[1:0]
and
VBUS_VOLTAGE_ALARM_LO_CFG[1:0]
are ignored by TCPC.
11 : reserved
000b : 1.0W
001b : 1.5W
010b : 2.0W
011b : 3W
100b : 4W
101b : 5W
3:1
0
VCONN_POWER
VCONN_OCF
010
1
R
R
110b : 6W
111b : External
0b : TCPC is not capable of detecting a Vconn
fault
1b : TCPC is capable of detecting a Vconn fault
Copyright 2018 Richtek Technology Corporation. All rights reserved.
©
is a registered trademark of Richtek Technology Corporation.
DS1730-01 January 2018
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13
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