microcontroller

CH543D

Symbol
VDD12/VHV1GND/VSS2VDD/V333P1.4/T2_/CAP1_/SCS/PWM3/A44P3.2/INT0/A25P1.5/MOSI/PWM0/A56P1.6/MISO/SCL/RXD_/PWM2/A67P1.7/SCK/SDA/TXD_/A78RST/T2EX_/CAP2_/A3/CP9P3.1/TXD/PWM1_/SDA_10P3.0/RXD/PWM0_/SCL_11GND/VSS21P1.2/INT0_/A10/CO20P1.3/A11/CM19P3.7/DM/A918P3.6/DP/A817P3.5/T1/HVIO16P3.4/T0/PWM115P3.3/INT1/PWM2_14P1.0/CC1/T2/CAP1/A013P1.1/CC2/T2EX/CAP2/A112
Footprint
123456789101112131415161718192021
3D Model
Pin Map
PinNameTypeMountShapeWidth × Height (mm)
VDD12/VHVinputSMDroundrect0.2×0.665
GND/VSSgroundSMDroundrect0.2×0.665
VDD/V33powerSMDroundrect0.2×0.665
P1.4/T2_/CAP1_/SCS/PWM3/A4passiveSMDroundrect0.2×0.665
P3.2/INT0/A2passiveSMDroundrect0.2×0.665
P1.5/MOSI/PWM0/A5passiveSMDroundrect0.665×0.2
P1.6/MISO/SCL/RXD_/PWM2/A6passiveSMDroundrect0.665×0.2
P1.7/SCK/SDA/TXD_/A7passiveSMDroundrect0.665×0.2
RST/T2EX_/CAP2_/A3/CPinputSMDroundrect0.665×0.2
P3.1/TXD/PWM1_/SDA_passiveSMDroundrect0.665×0.2
P3.0/RXD/PWM0_/SCL_passiveSMDroundrect0.2×0.665
P1.1/CC2/T2EX/CAP2/A1passiveSMDroundrect0.2×0.665
P1.0/CC1/T2/CAP1/A0passiveSMDroundrect0.2×0.665
P3.3/INT1/PWM2_passiveSMDroundrect0.2×0.665
P3.4/T0/PWM1passiveSMDroundrect0.2×0.665
P3.5/T1/HVIOpassiveSMDroundrect0.665×0.2
P3.6/DP/A8passiveSMDroundrect0.665×0.2
P3.7/DM/A9passiveSMDroundrect0.665×0.2
P1.3/A11/CMpassiveSMDroundrect0.665×0.2
P1.2/INT0_/A10/COpassiveSMDroundrect0.665×0.2
GND/VSSgroundSMDroundrect1.65×1.65

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Details

Category
microcontroller
MPN
CH543D
Manufacturer
WCH(Jiangsu Qin Heng)
Package
QFN-20(3x3)
Footprint
QFN-20_L3.0-W3.0-P0.40-BL-EP1.7
JLCPCB
C5183760
LCSC
C5183760
Lifecycle
active
Mounting
SMT
RoHS
Compliant
MSL
MSL 3

JLCPCB Stock & Pricing

In Stock(4,262 pcs)
1-9 pcs$0.6812
10-29 pcs$0.5414
30-99 pcs$0.4723
100-499 pcs$0.4033
500-999 pcs$0.3631
1000+ pcs$0.3406