USB To Uart 5V/3V3

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STD USB To Uart 5V/3V3

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Update time： 2021-12-10 17:14:23

Creation time： 2016-07-01 03:25:34

Description

![enter image description here][1] ![enter image description here][2] ![enter image description here][3] ![enter image description here][4] **DESCRIPTION** USB To Uart 5V/3V3 is a USB to serial adapter,Which is base on CH340,CH340 is a USB bus convert chip and it can realize USB convert to serial interface, USB convert to IrDA infrared or USB convert to printer interface. this module is compatible with 5V and 3v3.and it can used for upload code or communicating with MCUs. **Features** Full speed USB device interface, conforms to USB Specification Version 2.0 3.3V and 5V compatible I/Os. Supports baud rate varies from 2400bps to 115200bps. Hardware full duplex serial interface, set transceiver buffer LED Indicator **Specification** Working Voltage ：DC 5V Working Current

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USB To Uart_5V_3V3 v1
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BOM

BOM download Purchase Parts

ID	Name	Designator	Footprint	Quantity
1	CH340T	U1	SSOP20	1
2	MICRO-B-SMD	J4	MICRO-USB	1
3	12MHz	X1	2P-SMD-5X3.2	1
4	6P-SMD-2CH-2.54-7.03.51.5	SW1	6P-SMD-2CH-2.54-3.5X7.2	1
5	XC6206P332MR-G	U2	SOT23	1
6	10uF_25V	C1,C2	C0805	2
7	100nF	C3,C5	C0402	2
8	10nF	C4	C0402	1
9	22pF	C6,C8	C0402	2
10	S8550	Q1,Q2	SOT23	2
11	RED	TX,RX	LED-0603	2
12	1k	R1,R2,R3,R4,R5	R0402	5
13	GREEN	PWR	LED-0603	1
14	CESD5V0AP	D1,D2	SOT23	2
15	1X7P-2.54-2.54-6.0-90D-1	J3	7P-2.54-6535MIL	1