component
CP2102
Public Made by Adomby adom
Silicon Labs single-chip USB-to-UART bridge, QFN-28. Integrated USB, regulator, clock, EEPROM. Up to 1 Mbps. Datasheet-verified.
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README.md+3−2@@ -16,9 +16,9 @@ The original single-chip USB-to-UART bridge from Silicon Labs, in QFN-28, and on | 6 | VDD | power_in | 3.0-3.6 V power supply input and 3.3 V voltage regulator output. When the on-chip regulator is used (REGIN from VBUS), VDD is driven by the regulator and requires a 4.7 µF + 0.1 µF decoupling capacitor to GND. | | 7 | REGIN | power_in | 5 V input to the on-chip voltage regulator (typ. 4.0-5.25 V). Requires a 1.0 µF + 0.1 µF decoupling capacitor to GND. | | 8 | VBUS | input | VBUS sense input. Connect to the VBUS signal of the USB network; a 5 V level indicates a USB connection. Detection threshold typ. 1.8 V. |-| 9 | RST | bidirectional | Device reset (active low). Open-drain output of the internal POR/VDD monitor; an external source can initiate a system reset by driving this pin low for at least 15 µs. |+| 9 | ~{RST} | bidirectional | Device reset (active low). Open-drain output of the internal POR/VDD monitor; an external source can initiate a system reset by driving this pin low for at least 15 µs. | | 10 | NC | unconnected | No connect. Leave unconnected or tie to VDD. |-| 11 | SUSPEND | output | Active-low suspend indicator. Driven low when the CP2102/9 enters the USB suspend state (inverse of SUSPEND). Floats high momentarily during reset; a 10 kΩ pulldown to GND is recommended to hold it low on power-up. |+| 11 | ~{SUSPEND} | output | Active-low suspend indicator. Driven low when the CP2102/9 enters the USB suspend state (inverse of pin 12 SUSPEND). Floats high momentarily during reset; a 10 kΩ pulldown to GND is recommended to hold it low on power-up. | | 12 | SUSPEND | output | Active-high suspend indicator. Driven high when the CP2102/9 enters the USB suspend state. | | 13 | NC | unconnected | No connect. Leave unconnected or tie to VDD. | | 14 | NC | unconnected | No connect. Leave unconnected or tie to VDD. |@@ -36,6 +36,7 @@ The original single-chip USB-to-UART bridge from Silicon Labs, in QFN-28, and on | 26 | TXD | output | Asynchronous UART transmit data output. Baud rates from 300 bps up to 921600 bps (1 Mbps peak). | | 27 | DSR | input | Data Set Ready control input (active low). RS-232 modem control input; can be left unconnected when not used. | | 28 | DTR | output | Data Terminal Ready control output (active low). RS-232 modem control output; can be left unconnected when not used. |+| 29 | GND | power_in | Exposed centre pad, labelled GND in the datasheet pinout (Figure 2). Solder it to the ground plane. | ## Key specifications
cp2102.kicad_sym+7−3@@ -1,7 +1,7 @@ (kicad_symbol_lib (version 20211014) (generator ds2sf_rect) (symbol "CP2102" (in_bom yes) (on_board yes) (property "Reference" "U" (at 0 20.32 0) (effects (font (size 1.27 1.27))))- (property "Value" "CP2102" (at 0 -22.86 0) (effects (font (size 1.27 1.27))))+ (property "Value" "CP2102" (at 0 -27.94 0) (effects (font (size 1.27 1.27)))) (property "Footprint" "" (at 0 0 0) (effects (font (size 1.27 1.27)) hide)) (symbol "CP2102_0_1" (rectangle (start -12.70 17.78) (end 12.70 -20.32)@@ -20,6 +20,10 @@ (name "GND" (effects (font (size 1.27 1.27)))) (number "3" (effects (font (size 1.27 1.27)))) )+ (pin power_in line (at 0 -25.40 90) (length 5.08)+ (name "GND" (effects (font (size 1.27 1.27))))+ (number "29" (effects (font (size 1.27 1.27))))+ ) (pin bidirectional line (at -17.78 7.62 0) (length 5.08) (name "D+" (effects (font (size 1.27 1.27)))) (number "4" (effects (font (size 1.27 1.27))))@@ -41,7 +45,7 @@ (number "8" (effects (font (size 1.27 1.27)))) ) (pin bidirectional line (at -17.78 -5.08 0) (length 5.08)- (name "RST" (effects (font (size 1.27 1.27))))+ (name "~{RST}" (effects (font (size 1.27 1.27)))) (number "9" (effects (font (size 1.27 1.27)))) ) (pin no_connect line (at -17.78 -7.62 0) (length 5.08)@@ -49,7 +53,7 @@ (number "10" (effects (font (size 1.27 1.27)))) ) (pin output line (at -17.78 -10.16 0) (length 5.08)- (name "SUSPEND" (effects (font (size 1.27 1.27))))+ (name "~{SUSPEND}" (effects (font (size 1.27 1.27)))) (number "11" (effects (font (size 1.27 1.27)))) ) (pin output line (at -17.78 -12.70 0) (length 5.08)
package.json+2−2@@ -1,6 +1,6 @@ { "slug": "cp2102",- "version": "0.1.0",+ "version": "0.1.1", "type": "component", "description": "Silicon Labs single-chip USB-to-UART bridge, QFN-28. Integrated USB, regulator, clock, EEPROM. Up to 1 Mbps. Datasheet-verified.", "tags": [@@ -28,4 +28,4 @@ "viewers/symbol.html", "viewers/footprint.html" ]-}+}
page.json+6−5@@ -4,7 +4,7 @@ "slug": "cp2102", "title": "CP2102", "brief": "Silicon Labs single-chip USB-to-UART bridge, QFN-28. Integrated USB, regulator, clock, EEPROM. Up to 1 Mbps. Datasheet-verified.",- "version": "0.1.0",+ "version": "0.1.1", "license": "CC-BY-SA-4.0", "tags": [ "component",@@ -266,12 +266,10 @@ "cp2102.kicad_sym", "cp2102.kicad_mod", "cp2102.glb",- "cp2102.lbr", "docs/hero.png", "docs/cp2102-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html",- "cp2102-etched.step"+ "viewers/footprint.html" ], "variants": [ {@@ -282,5 +280,8 @@ "mpn": "CP2102-GM (QFN-28)", "kind": "packaging" }- ]+ ],+ "description": "Silicon Labs single-chip USB-to-UART bridge, QFN-28. Integrated USB, regulator, clock, EEPROM. Up to 1 Mbps. Datasheet-verified.",+ "visibility": "public",+ "org": "adom" }