TPS549D22 Datasheet, PDF (38/63 Pages) Texas Instruments – 1.5-V to 16-V VIN, 4.5-V to 22-V VDD, 40-A SWIFT Synchronous Step-Down Converter with Full Differential Sense and PMBus

TPS549D22
SLUSCI9 – AUGUST 2016
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7.5.4.23 MFR_SPECIFIC_06 (address = D6h)
The MFR_SPECIFIC_06 is a user-accessible register dedicated for configuring the VDD Under-voltage LockOut
threshold.
Figure 49. MFR_SPECIFIC_06
7
6
5
4
3
0
0
0
0
0
R
R
R
R
R
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
2
1
0
VDDUVLO[2:0]
R/W
Table 34. MFR_SPECIFIC_06
Bit Field
7:3
2:0 VDDUVLO
Type
R
R/W
Reset
0
101b
Description
These bits allow the user to read/configure the device’s VDD
Under-voltage Lockout threshold. (Refer to Table 35)
VDDUVLO[2]
0
1
1
1
1
Table 35. VDDUVLO
VDDUVLO[1]
X
0
0
1
1
VDDUVLO[0]
X
0
1
0
1
VDD UVLO threshold
10.2 volts
2.8 volts
4.25 volts
6 volts
8.1 volts
38
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