ic

CH9142

Symbol
GND0X32KO1X32KI2VDD_D3VSW4VCC5AT06NC7RTS1#/TNOW18CTS19TXD110RXD111RTS0/TNOW012CTS0#13TXD014BLEDTA128BLESTA027AT126LED125SLEEP24LED0/RELOAD23VDD_A22ANT21VINTA20X32MI19X32MO18NC17RST#16RXD015
Footprint
028272625242322212019181716151413121110981237654
3D Model
Pin Map
PinNameTypeMountShapeWidth × Height (mm)
GNDgroundSMDroundrect2.7×2.7
X32KOpassiveSMDroundrect0.2×0.7
X32KIpassiveSMDroundrect0.2×0.7
VDD_DpowerSMDroundrect0.2×0.7
VSWpassiveSMDroundrect0.2×0.7
VCCpowerSMDroundrect0.2×0.7
AT0passiveSMDroundrect0.2×0.7
NCncSMDroundrect0.2×0.7
RTS1#/TNOW1passiveSMDroundrect0.7×0.2
CTS1passiveSMDroundrect0.7×0.2
TXD1passiveSMDroundrect0.7×0.2
RXD1passiveSMDroundrect0.7×0.2
RTS0/TNOW0passiveSMDroundrect0.7×0.2
CTS0#passiveSMDroundrect0.7×0.2
TXD0passiveSMDroundrect0.7×0.2
RXD0passiveSMDroundrect0.2×0.7
RST#passiveSMDroundrect0.2×0.7
NCncSMDroundrect0.2×0.7
X32MOpassiveSMDroundrect0.2×0.7
X32MIpassiveSMDroundrect0.2×0.7
VINTAinputSMDroundrect0.2×0.7
ANTpassiveSMDroundrect0.2×0.7
VDD_ApowerSMDroundrect0.7×0.2
LED0/RELOADpassiveSMDroundrect0.7×0.2
SLEEPpassiveSMDroundrect0.7×0.2
LED1passiveSMDroundrect0.7×0.2
AT1passiveSMDroundrect0.7×0.2
BLESTA0passiveSMDroundrect0.7×0.2
BLEDTA1passiveSMDroundrect0.7×0.2

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Details

Category
ic
MPN
CH9142
Manufacturer
WCH(Jiangsu Qin Heng)
Package
QFN-28(4x4)
Footprint
QFN-28_L4.0-W4.0-P0.40-BL-EP2.7_CH9142
JLCPCB
C39831289
LCSC
C39831289
Lifecycle
active
Mounting
SMT
RoHS
Compliant
MSL
MSL 3
ECCN
-

JLCPCB Stock & Pricing

In Stock(69 pcs)
1-9 pcs$1.3366
10-29 pcs$1.1053
30-99 pcs$0.9784
100-489 pcs$0.8354
490-979 pcs$0.7711
980+ pcs$0.7422