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STWBC86 Datasheet(PDF) 7 Page - STMicroelectronics

Part # STWBC86
Description  Qi compatible wireless power transmitter for 5W applications with integrated full bridge
PDF  40 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STWBC86 Datasheet(HTML) 7 Page - STMicroelectronics

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4.3
Electrical characteristics
0 °C < TA < 85 °C; VVINPUT = 5 V to 10 V. Typical values are at TJ = 25 °C, if not otherwise specified.
Table 4. Electrical characteristics
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Supply section
VVIN,UVLO
VIN Under-Voltage Lock-Out upper
(turn-on) threshold
VIN pin voltage, rising edge
3.0
3.3
V
VVIN,MAX
VIN maximum operating supply voltage
Voltage on VIN pin
20
V
IVIN,Q
VIN current consumption in shut-down
mode
RSTB low for more than 1 ms, supply
voltage (5 V) applied to VIN
400
750
μA
IVIN,OP
Operating current consumption
RSTB high, supply voltage applied to
VIN
14.7
mA
1.8V supply voltage LDO linear regulator
VV1V8
LDO output voltage
IV1V8 = 5 mA
1.79
1.8
1.81
V
LDO load regulation
0 mA < IV1V8 < 10 mA
5
20
mV
5V supply voltage LDO linear regulator
VV5V0
LDO output voltage
IV5V0 = 5 mA
4.8
5
5.2
V
LDO load regulation
0 mA <IV5V0 = 0 mA <10 mA
2
20
mV
LDO UVLO upper threshold
2.8
3
3.2
V
IV5V0,EXT
Maximum current with external load
15
mA
Inverter
Efficiency
Target rectifier efficiency
IVINV = 1 A, VVIN= 5.2 V, fAC = 100 kHz
to 250 kHz
97
%
IVIN = 1 A, VVIN = 9.2 V, fAC = 100 kHz
to 250 kHz
97
FFREQ
Inverter frequency range
100
500
KHZ
VIN
Input voltage range
VIN
4.95
20
V
ISENSE
Input current sense range
0
2500
mA
Micro controller
Architecture
Arm® Cortex®
32
bit
RAM
RAM Size
8
KB
Few Times Programmability
FTP
Memory size for configuration and
firmware patch
8
KB
Clock generator
FOSC
Clock generator & PWM timer
frequency
64
FOSC_TOL
Tolerance of the clock generator
frequency
-4
+4
%
Digital signals
VIL
Low level input voltage
0.55
V
VIH
High level input voltage
1.14
VOH
GPIOx high level output voltage
Output high, ISOURCE = 3mA
1.25
STWBC86
Electrical characteristics
DS14079 - Rev 1
page 7/40



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