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TPS65921 bảng dữ liệu(PDF) 21 Page - Texas Instruments

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tên linh kiện TPS65921
Giải thích chi tiết về linh kiện  Power Management and USB Single Chip
PDF  58 Pages
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TPS65921 bảng dữ liệu(HTML) 21 Page - Texas Instruments

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TPS65921
www.ti.com
SWCS048F – MARCH 2010 – REVISED MARCH 2012
PARAMETER
COMMENTS
MIN
TYP
MAX
UNIT
ID Float comparator
RID_FLOAT
ID_FLOAT interrupt
200
500
k
Ω
ID Line
Phone ID pullup to VPH_ID_UP
RPH_ID_UP
ID unloaded (VRUSB)
70
90
286
k
Ω
Phone ID pullup voltage
VPH_ID_UP
Connected to VRUSB
2.5
3.2
V
ID line maximum voltage
5.25
V
USB CHARGER DETECTION
USB Charger Detection Debounce Time
REQUIREMENT
PARAMETER
NB CLOCK
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Minimum 10 ms
DEBVBUS_TIME
448
ACTIVE/SLEEP mode
13.7
13.7
ms
Minimum 20 ms
DEBUSBCHG_TIM
896
ACTIVE/SLEEP mode
27.3
27.3
ms
E
Table 4. Voltages
PARAMETER
SYMBOL
CONDITIONS
MIN
MAX
UNIT
REF
Logic Threshold
VLGC
0.8
2.0
V
1.4.4
Output current
D+ Source Voltage
VDP_SRC
0.5
0.675
V
> 250 µA
Data Detect Voltage
VDAT_REF
0.25
0.4
V
Data Line Leakage Voltage
VDAT_LKG
0
3.6
V
3.9
Table 5. Currents
PARAMETER
SYMBOL
CONDITIONS
MIN
MAX
UNIT
REF
Portable Device Current from
IDEV_HCHG_CHRP
710
mA
3.6.2
Charging Host Port during chirp
Data Contact Detect Current
IDP_SRC
7
13
µA
Source
D- Sink Current
IDM_SINK
50
150
µA
Table 6. Resistances
D+ pulldown resistance
RDP_DWN
14.25
24.8
k
Ω
D- pulldown resistance
RDM_DWN
14.25
24.8
k
Ω
Table 7. USB Charger Detection (Wait and Debounce Timing)
USB Charger Detection (Wait and Debounce Timing)
Requirement
PARAMETER
NB
TEST CONDITIONS
MIN
TYP
MAX
UNIT
CLOCK
D+ Current source on-
ACTIVE/SLEEP
Minimum 200 us
time
8
244.1
244.1
µs
mode(1)
TIDP_SRC_ON
D+ Voltage source on-
ACTIVE/SLEEP
Minimum 40 ms
time
1792
54.7
54.7
ms
mode(1)
TVDP_SRC_ON
D+ Voltage source off
ACTIVE/SLEEP
Minimum 40 ms
to high current
1792
54.7
54.7
ms
mode(1)
TVDP_SRC_HICRNT
DATA_CONTACT_DET
ACTIVE/SLEEP
Minimum 2 s
ECT Timeout
89600
2.73
2.73
s
mode(1)
TDCD_TIMEOUT
(1)
Note: LS Device mode not supported
Copyright © 2010–2012, Texas Instruments Incorporated
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