ic

CH9143

Symbol
X32KO1X32KI2VDD_D3VSW4VCC5LED6DSR#7AT8RELOAD/BLESTA9FCE10DTR#11UD+12UD-13TXD14RXD15GND29CTS#28RI#27DCD#26RTS#25BLE_MODE24SWREG_EN23VDD_A22ANT21VINTA20X32MI19X32MO18TNOW17RST#16
Footprint
4567321891011121314151617181920212223242526272829
3D Model
Pin Map
PinNameTypeMountShapeWidth × Height (mm)
X32KOinputSMDroundrect0.2×0.7
X32KIoutputSMDroundrect0.2×0.7
VDD_DpowerSMDroundrect0.2×0.7
VSWpassiveSMDroundrect0.2×0.7
VCCpowerSMDroundrect0.2×0.7
LEDpassiveSMDroundrect0.2×0.7
DSR#passiveSMDroundrect0.2×0.7
ATpassiveSMDroundrect0.7×0.2
RELOAD/BLESTApassiveSMDroundrect0.7×0.2
FCEpassiveSMDroundrect0.7×0.2
DTR#passiveSMDroundrect0.7×0.2
UD+passiveSMDroundrect0.7×0.2
UD-passiveSMDroundrect0.7×0.2
TXDoutputSMDroundrect0.7×0.2
RXDinputSMDroundrect0.2×0.7
RST#passiveSMDroundrect0.2×0.7
TNOWpassiveSMDroundrect0.2×0.7
X32MOpassiveSMDroundrect0.2×0.7
X32MIpassiveSMDroundrect0.2×0.7
VINTAinputSMDroundrect0.2×0.7
ANTpassiveSMDroundrect0.2×0.7
VDD_ApowerSMDroundrect0.7×0.2
SWREG_ENpassiveSMDroundrect0.7×0.2
BLE_MODEpassiveSMDroundrect0.7×0.2
RTS#passiveSMDroundrect0.7×0.2
DCD#passiveSMDroundrect0.7×0.2
RI#passiveSMDroundrect0.7×0.2
CTS#passiveSMDroundrect0.7×0.2
GNDgroundSMDroundrect2.7×2.7

Save parts to a list and design PCBs from them

View Datasheet

Details

Category
ic
MPN
CH9143
Manufacturer
WCH(Jiangsu Qin Heng)
Package
QFN-28-EP(4x4)
Footprint
QFN-28_L4.0-W4.0-P0.40-BL-EP2.7
JLCPCB
C2887252
LCSC
C2887252
Lifecycle
active
Mounting
SMT
RoHS
Compliant
MSL
MSL 3
ECCN
-

JLCPCB Stock & Pricing

In Stock(34 pcs)
1-9 pcs$1.5727
10-29 pcs$1.3318
30-99 pcs$1.1808
100-499 pcs$1.0249
500-999 pcs$0.9543
1000+ pcs$0.9237