ic

CH9140

Symbol
X32KO1X32KI2VDD_D3VSW4VCC5RELOAD /LED6SWREG_EN7DCD#8DSR#9RI#10DTR#11RTS#12CTS13TXD14RXD15GND29BPS028BPS127BPS226SLEEP25BLE_MODE24BLESTA23VDD_A22ANT21VINTA20X32MI19X32MO18TNOW17RST#16
Footprint
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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
RELOAD /LEDpassiveSMDroundrect0.2×0.7
SWREG_ENpassiveSMDroundrect0.2×0.7
DCD#passiveSMDroundrect0.7×0.2
DSR#passiveSMDroundrect0.7×0.2
RI#passiveSMDroundrect0.7×0.2
DTR#passiveSMDroundrect0.7×0.2
RTS#passiveSMDroundrect0.7×0.2
CTSpassiveSMDroundrect0.7×0.2
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
BLESTApassiveSMDroundrect0.7×0.2
BLE_MODEpassiveSMDroundrect0.7×0.2
SLEEPpassiveSMDroundrect0.7×0.2
BPS2passiveSMDroundrect0.7×0.2
BPS1passiveSMDroundrect0.7×0.2
BPS0passiveSMDroundrect0.7×0.2
GNDgroundSMDroundrect2.7×2.7

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Details

Category
ic
MPN
CH9140
Manufacturer
WCH(Jiangsu Qin Heng)
Package
QFN-28-EP(4x4)
Footprint
QFN-28_L4.0-W4.0-P0.40-BL-EP2.7
JLCPCB
C2887251
LCSC
C2887251
Lifecycle
active
Mounting
SMT
RoHS
Compliant
MSL
MSL 3

JLCPCB Stock & Pricing

In Stock(1,258 pcs)
1-9 pcs$0.9639
10-29 pcs$0.7759
30-99 pcs$0.6828
100-489 pcs$0.5880
490-979 pcs$0.5334
980+ pcs$0.5045