General characteristics ............................................................................................................................................ 7
System efficiency .................................................................................................................................................. 15
Standby power ...................................................................................................................................................... 15
Digital demodulation ............................................................................................................................................ 16
Two-way communication ...................................................................................................................................... 16
Device Information ................................................................................................................................. 17
Pin function description ........................................................................................................................................ 18
Ordering information ............................................................................................................................................ 20
Power transfer ...................................................................................................................................................... 21
Receiver to transmitter communication ................................................................................................................ 22
Transmitter to receiver communication ................................................................................................................ 25
System control state machine ............................................................................................................................... 27
Standby power ...................................................................................................................................................... 30
Inverter and driver control .................................................................................................................................... 31
Primary coil and resonant capacitor ...................................................................................................................... 32
Low power control ................................................................................................................................................ 34
LEDs function ........................................................................................................................................................ 36
Example design schematics ................................................................................................................................... 40
Revision History ....................................................................................................................................... 43
WCT1011DS, Rev. 0, 09/2016
4
NXP Semiconductors
1
1.1
Absolute Maximum Ratings
Electrical operating ratings
Table 1 Absolute maximum electrical ratings (V
SS
= 0 V, V
SSA
= 0 V)
Characteristic
Symbol
V
DD
V
DDA
V
REFHx
ΔV
DD
ΔV
ss
V
IN
V
IN_RESET
V
INA
2, 3
Notes
1
Min.
–0.3
–0.3
–0.3
–0.3
–0.3
Max.
4.0
4.0
4.0
0.3
0.3
5.5
4.0
4.0
–5.0
±
20.0
25
V
V
V
V
V
V
V
V
Unit
Supply Voltage Range
Analog Supply Voltage Range
ADC High Voltage Reference
Voltage difference V
DD
to V
DDA
Voltage difference V
SS
to V
SSA
Digital Input Voltage Range
RESET Input Voltage Range
Analog Input Voltage Range
Input clamp current, per pin (V
IN
< V
SS
- 0.3 V)
Output clamp current, per pin
4
Pin Group 1
Pin Group 2
Pin Group 3
–0.3
–0.3
–0.3
–
–
–25
V
IC
V
OC
I
ICont
mA
mA
mA
Contiguous pin DC injection current—regional limit
sum of 16 contiguous pins
Output Voltage Range (normal push-pull mode)
Output Voltage Range (open drain mode)
Output Voltage Range
Ambient Temperature
Storage Temperature Range (Extended Industrial)
1.
V
OUT
V
OUTOD
V
OUTOD_RESET
T
A
T
STG
Pin Group 1,2
Pin Group 1
Pin Group 2
–0.3
–0.3
–0.3
–40
–55
4.0
5.5
4.0
85
150
V
V
V
°
C
°
C
2.
3.
4.
Default Mode:
o
Pin Group 1: GPIO, TDI, TDO, TMS, TCK
o
Pin Group 2:
o
Pin Group 3: ADC and Comparator Analog Inputs
Continuous clamp current.
All 5 volt tolerant digital I/O pins are internally clamped to VSS through an ESD protection diode. There is no diode connection to
VDD. If VIN greater than VDIO_MIN (= VSS–0.3 V) is observed, then there is no need to provide current limiting resistors at the pads.
If this limit cannot be observed, then a current limiting resistor is required.
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