RT5112A
Table 2. Protection
Threshold
(typ.)
Deglitch Time
(typ.)
Reset and Threshold
(typ.)
Channel
Type
Protection
VSYS < 2.35V
VSYS 2.25V
(after IC Operation)
UVLO
525s
IC Shutdown
Buck Disable
VSYS 2.35V
OVP
OTW
VSYS 5.9V
200s
50s
VSYS 5.6V
Temperature 125°C
Report only
Temperature 105°C
Selection by 0x0A[4:3]
00 : Manual recovery
after TSD with reset
register
System
OTP
Temperature 140°C
50s
IC Shutdown
01 : Auto recovery after
TSD with no reset
register
10 : Latch off after TSD
with reset register
Selection by 0x0A[7]
0 : Hiccup mode
1 : Latch-off mode
VBUCK VBUCK_SET
x
x
VBUCK VBUCK_SET x
UVP
OVP
OCP
UVP
OVP
OCP
50s
50s
8s
80%
92%
Selection by 0x0A[2]
0 : Discharge mode
1 : Latch-off mode
VBUCK VBUCK_SET
BUCKs
VBUCK VBUCK_SET x 109%
120%
ILXBUCK_peak 2A
Selection by 0x037[7] ILXBUCK_peak < 2A
0 : Hiccup mode
1 : Latch-off mode
ILXBUCK_valley 1.5A
ILXBUCK_valley < 1.5A
(peak - 0.5A)
(peak - 0.5A)
Selection by 0x0A[6]
0 : Hiccup mode
1 : Latch-off mode
VLDO VLDO x 80%
VLDO VLDO x 120%
ILDO > 415mA
50s
50s
8s
VLDO VLDO x 90%
Selection by 0x0A[1]
0 : Discharge mode
1 : NA
LDOs
VLDO VLDO x 110%
ILDO 415mA
Selection by 0x037[6]
0 : Hiccup mode
1 : Latch-off mode
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is a registered trademark of Richtek Technology Corporation.
DS5112A-02 August 2019
www.richtek.com
29
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