CH637X
WCH (Nanjing Qinheng Microelectronics)Extended
QFN-88(10x10) USB HUB Controllers ROHS
- Part id
- wch/CH637X
- Category
- USB HUB Controllers
- Package
- QFN-88(10x10)
- Pins
- 89
- In stock
- 0 at JLCPCB (C55509536)
Overview
The CH637X is a USB HUB Controller made by WCH (Nanjing Qinheng Microelectronics) in a QFN-88(10x10) package with 89 pins. QFN-88(10x10) USB HUB Controllers ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:CH637X_C55509536, from EasyEDA) and its footprint (EasyEDA_Cloud:QFN-88_L10.0-W10.0-P0.40-BL-EP5.7, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C55509536).
Symbol
Footprint
Pinout
89| Pin | Name | Type |
|---|---|---|
| 1 | PWR_CC2 | Unspecified |
| 2 | PWR_CC1 | Unspecified |
| 3 | SMBCLK/SCL | Unspecified |
| 4 | SMBDAT/SDA | Unspecified |
| 5 | SUSP/SDA2/EXCH# | Unspecified |
| 6 | P7_HS_DP | Unspecified |
| 7 | P7_HS_DM | Unspecified |
| 8 | VBUS_DET | Unspecified |
| 9 | VIO33 | Unspecified |
| 10 | PWREN1# | Unspecified |
| 11 | OVCUR1# | Unspecified |
| 12 | PWREN2# | Unspecified |
| 13 | OVCUR2# | Unspecified |
| 14 | VIO33 | Unspecified |
| 15 | LED_A1/BC_EN# | Unspecified |
| 16 | LED_A2/GANG_EN# | Unspecified |
| 17 | LED_A3/HPD_EN#/2UP_SW# | Unspecified |
| 18 | LED_A4/EXCH_EN# | Unspecified |
| 19 | LED_A5/SDA3/P45C_EN# | Unspecified |
| 20 | LED_A6/2UP_EN# | Unspecified |
| 21 | LED_A7/HPD | Unspecified |
| 22 | VDD12 | Unspecified |
| 23 | P5_HS_DP | Unspecified |
| 24 | P5_HS_DM | Unspecified |
| 25 | P5_SS_TXB | Unspecified |
| 26 | P5_SS_TXA | Unspecified |
| 27 | P5_VDD12 | Unspecified |
| 28 | P5_SS_RXB | Unspecified |
| 29 | P5_SS_RXA | Unspecified |
| 30 | P4_HS_DP | Unspecified |
| 31 | P4_HS_DM | Unspecified |
| 32 | P4_SS_TXB | Unspecified |
| 33 | P4_SS_TXA | Unspecified |
| 34 | P4_VDD12 | Unspecified |
| 35 | P4_SS_RXB | Unspecified |
| 36 | P4_SS_RXA | Unspecified |
| 37 | P3_HS_DP | Unspecified |
| 38 | P3_HS_DM | Unspecified |
| 39 | P3_SS_TXB | Unspecified |
| 40 | P3_SS_TXA | Unspecified |
| 41 | P3_SS_RXB | Unspecified |
| 42 | P3_SS_RXA | Unspecified |
| 43 | P3C_SS_RXA | Unspecified |
| 44 | P3C_SS_RXB | Unspecified |
| 45 | P3_VDD12 | Unspecified |
| 46 | P3C_SS_TXA | Unspecified |
| 47 | P3C_SS_TXB | Unspecified |
| 48 | P2_HS_DP | Unspecified |
| 49 | P2_HS_DM | Unspecified |
| 50 | P2_SS_TXB | Unspecified |
| 51 | P2_SS_TXA | Unspecified |
| 52 | P2_VDD12 | Unspecified |
| 53 | P2_SS_RXB | Unspecified |
| 54 | P2_SS_RXA | Unspecified |
| 55 | P1_HS_DP | Unspecified |
| 56 | P1_HS_DM | Unspecified |
| 57 | P1_SS_TXB | Unspecified |
| 58 | P1_SS_TXA | Unspecified |
| 59 | P1_VDD12 | Unspecified |
| 60 | P1_SS_RXB | Unspecified |
| 61 | P1_SS_RXA | Unspecified |
| 62 | UP_SS_TXB | Unspecified |
| 63 | UP_SS_TXA | Unspecified |
| 64 | UP_VDD12 | Unspecified |
| 65 | UP_SS_RXB | Unspecified |
| 66 | UP_SS_RXA | Unspecified |
| 67 | UPC_SS_RXA | Unspecified |
| 68 | UPC_SS_RXB | Unspecified |
| 69 | UPC_SS_TXA | Unspecified |
| 70 | UPC_SS_TXB | Unspecified |
| 71 | VDD12 | Unspecified |
| 72 | XI | Unspecified |
| 73 | XO | Unspecified |
| 74 | UP_HS_DP | Unspecified |
| 75 | UP_HS_DM | Unspecified |
| 76 | P6_SS_TXB | Unspecified |
| 77 | P6_SS_TXA | Unspecified |
| 78 | P6_VDD12 | Unspecified |
| 79 | P6_SS_RXB | Unspecified |
| 80 | P6_SS_RXA | Unspecified |
| 81 | P6_HS_DP | Unspecified |
| 82 | P6_HS_DM | Unspecified |
| 83 | HUB_CC2 | Unspecified |
| 84 | HUB_CC1 | Unspecified |
| 85 | P3_CC2 | Unspecified |
| 86 | P3_CC1 | Unspecified |
| 87 | RESET# | Unspecified |
| 88 | VDD33 | Unspecified |
| 89 | GND | Unspecified |
Questions
Is there a KiCad symbol and footprint for the CH637X?
Yes. The symbol is EasyEDA_Cloud:CH637X_C55509536 and the footprint EasyEDA_Cloud:QFN-88_L10.0-W10.0-P0.40-BL-EP5.7, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the CH637X?
QFN-88(10x10), with 89 pins. Its footprint is drawn on this page.
Where can I order the CH637X?
JLCPCB lists it as part C55509536, with 0 in stock; the sellers' links on this page open their listings.