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TPS65921 Datasheet(PDF) 26 Page - Texas Instruments

Part # TPS65921
Description  TPS65921 Power Management and USB Single Chip
PDF  70 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

TPS65921 Datasheet(HTML) 26 Page - Texas Instruments

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TPS65921
SWCS048G – MARCH 2010 – REVISED SEPTEMBER 2014
www.ti.com
4.21 Hot-Die Detection and Thermal Shutdown
PARAMETER
THRESHOLD (NOMINAL)(1)
Thermal hot-die selection THERM_HDSEL[1:0]
Threshold (nominal)(1)
Rising temp: 120°C
00 (1st hot-die threshold)
Falling temp: 111°C
Rising temp: 130°C
01 (2nd hot-die threshold)
Falling temp: 121°C
Rising temp: 140°C
10 (3rd hot-die threshold)
Falling temp: 131°C
11 (4th hot-die threshold)
Not used
Threshold (nominal)(1) - Rising temp: 150°C
Thermal shutdown enable
Threshold (nominal)(1) - Falling temp: 140°C
(1)
The minimum/maximum range is ±5%
4.22 USB
4.22.1 LS/FS Single-Ended Receivers
PARAMETER
COMMENTS
MIN
TYP
MAX
UNIT
USB Single-Ended Receivers
Skew
SKWVP_VM
Driver outputs unloaded
between VP
–2
0
2
ns
and VM
Single-ended
VSE_HYS
50
mV
hysteresis
High (driven)
VIH
2
V
Low
VIL
0.8
V
Switching
VTH
0.8
2
V
threshold
4.22.2 LS/FS Differential Receiver
PARAMETER
COMMENTS
MIN
TYP
MAX
UNIT
Differential input sensitivity
VDI
Ref. USB2.0
200
mV
Differential common mode
VCM
Ref. USB2.0
0.8
2.5
V
range
4.22.3 LS/FS Transmitter
PARAMETER
COMMENTS
MIN
TYP
MAX
UNIT
Low
VOL
Ref. USB2.0
0
300
mV
High (driven)
VOH
Ref. USB2.0
2.8
3.6
V
Output signal crossover
VCRS
Ref. USB2.0, covered by eye
1.3
2.0
V
voltage
diagram
Rise time
TFR
75
300
ns
Fall time
TFF
Ref. USB2.0, covered by eye
75
300
ns
diagram
Differential rise and fall time
TFRFM
80%
125%
matching
Low-speed data rate
TFDRATE
Ref. USB2.0, covered by eye
1.4775
1.5225
Mbps
diagram
Source jitter total (including
frequency tolerance):
- To next transition
TDJ1
Ref. USB2.0, covered by eye
–25
25
ns
diagram
- For paired transitions
TDJ2
–10
10
26
Specifications
Copyright © 2010–2014, Texas Instruments Incorporated
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Product Folder Links: TPS65921



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