ic

CH9141

Symbol
X32KO1X32KI2VDD_D3VSW4VCC5AT6ADC7DCD#/GPIO78DSR#/GPIO69RI#/GPIO510DTR#/BLESTA/GPIO411RTS#/TNOW12CTS#13TXD14RXD15GND29GPIO028GPIO127GPIO226GPIO325SLEEP24RELOAD/LED23VDD_A22ANT21VINTA20X32MI19X32MO18NC17RST#16
Footprint
4567321891011121314151617181920212223242526272829
3D Model

Pin Map

PinNameTypeMountShapeWidth × Height (mm)
X32KOpassiveSMDrect0.2×0.7
X32KIpassiveSMDrect0.2×0.7
VDD_DpowerSMDrect0.2×0.7
VSWpassiveSMDrect0.2×0.7
VCCpowerSMDrect0.2×0.7
ATpassiveSMDrect0.2×0.7
ADCpassiveSMDrect0.2×0.7
DCD#/GPIO7passiveSMDrect0.7×0.2
DSR#/GPIO6passiveSMDrect0.7×0.2
RI#/GPIO5passiveSMDrect0.7×0.2
DTR#/BLESTA/GPIO4passiveSMDrect0.7×0.2
RTS#/TNOWpassiveSMDrect0.7×0.2
CTS#passiveSMDrect0.7×0.2
TXDoutputSMDrect0.7×0.2
RXDinputSMDrect0.2×0.7
RST#passiveSMDrect0.2×0.7
NCncSMDrect0.2×0.7
X32MOpassiveSMDrect0.2×0.7
X32MIpassiveSMDrect0.2×0.7
VINTAinputSMDrect0.2×0.7
ANTpassiveSMDrect0.2×0.7
VDD_ApowerSMDrect0.7×0.2
RELOAD/LEDpassiveSMDrect0.7×0.2
SLEEPpassiveSMDrect0.7×0.2
GPIO3passiveSMDrect0.7×0.2
GPIO2passiveSMDrect0.7×0.2
GPIO1passiveSMDrect0.7×0.2
GPIO0passiveSMDrect0.7×0.2
GNDgroundSMDrect2.7×2.7

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Details

Category
ic
MPN
CH9141
Manufacturer
WCH(Jiangsu Qin Heng)
Package
QFN-28-EP(4x4)
Footprint
QFN-28_L4.0-W4.0-P0.40-BL-EP2.7
JLCPCB
C2693433
LCSC
C2693433
Lifecycle
active
Mounting
SMT
RoHS
Compliant
MSL
MSL 3
ECCN
-

JLCPCB Stock & Pricing

In Stock(5 pcs)
1-9 pcs$1.8089
10-29 pcs$1.5229
30-99 pcs$1.3446
100-489 pcs$1.1615
490-979 pcs$1.0796
980+ pcs$1.0426