USB2422T/MJ

Microchip TechnologyExtended

2 3.3V Hub USB 2.0 QFN-24-EP(4x4) USB HUB Controllers ROHS

Part id: microchip/USB2422T/MJ
Category: USB Converters
Package: QFN-24-EP(4x4)
Pins: 25
In stock: 709 at JLCPCB (C622611)
Used on: 1 open-source board

Overview

The USB2422T/MJ is a USB Converter made by Microchip Technology in a QFN-24-EP(4x4) package with 25 pins. 2 3.3V Hub USB 2.0 QFN-24-EP(4x4) USB HUB Controllers ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:USB2422_MJ, from EasyEDA) and its footprint (EasyEDA_Cloud:QFN-24_L4.0-W4.0-P0.50-BL-EP2.6, from EasyEDA), ready for a KiCad board. 709 are in stock at JLCPCB (part C622611). 1 open-source board in 1 repository on GitHub use it.

Symbol

EasyEDA_Cloud:USB2422_MJFrom EasyEDA

Footprint

EasyEDA_Cloud:QFN-24_L4.0-W4.0-P0.50-BL-EP2.6From EasyEDA

From the datasheet

Supply, least: 3 V · VDD33, recommended operating min · p. 35
Supply, most: 3.6 V · VDD33, recommended operating max · p. 35
Supply, absolute maximum: 4.6 V · VDD33, absolute max · p. 35
Works from: 0 °C · Ambient temperature in still air, min · p. 35
Works up to: 70 °C · Ambient temperature in still air, max · p. 35
Takes working: 70 mA · Hi-Speed host, 2 downstream ports, typical during peak USB traffic · p. 37
Takes at most: 89 mA · Hi-Speed host, 2 downstream ports, max during peak USB traffic · p. 37
Takes asleep: 425 µA · Suspend supply current, typical · p. 37

What it is and has

Function: 2-Port USB 2.0 Hi-Speed Hub Controller · p. 1
USB termination: Integrated termination and pull-up/pull-down resistors · p. 1
Clock: 24 MHz crystal resonator or external 24 MHz clock input · p. 1
ESD protection: Up to 6 kV on all USB pins · p. 1
Power configuration: Self-powered operation · p. 1
Package: 24-pin SQFN, 4x4 mm, RoHS-compliant · p. 1

Around it

res 100 kΩ: between upstream VBUS and VBUS_DET; Suggested upper resistor of a 2:1 divider for a detachable hub; use with a second 100 kΩ resistor to ground. · p. 7
res 12.0 kΩ: between RBIAS and ground; ±1%; sets USB transceiver internal bias. · p. 8
cap 1.0 μF: between VDD33 (pin 9) and VSS; Required low-ESR capacitor, as close as possible to pin 9. · p. 10
cap 0.1 μF: between VDD33 (pin 1) and VSS; Required low-ESR capacitor, as close as possible to pin 1. · p. 10
cap 1.0 μF: between CRFILT and VSS; Required low-ESR core regulator filter capacitor. · p. 10
cap up to 0.1 μF: between PLLFILT and VSS; Optional low-ESR PLL regulator filter capacitor; pin may be left unconnected. · p. 10

Specifications

Parameter	Conditions	As printed	Page
Storage Temperature TSTOR		min -55 · max 150 °C	35
3.3 V supply voltage VDD33		max 4.6 V	35
Voltage on any I/O pin		min -0.5 · max 5.5 V	35
Voltage on XTALIN		min -0.5 · max 4 V	35
Voltage on XTALOUT		min -0.5 · max 2.5 V	35
USB2422 Operating Temperature TA	Ambient temperature in still air; USB2422	min 0 · max 70 °C	35
3.3 V supply voltage VDD33		min 3 · max 3.6 V	35
3.3 V supply rise time tRT33	See Figure 5-1	min 0 · max 400 us	35
Voltage on any I/O pin	If any 3.3 V supply voltage drops below 3.0 V, maximum becomes (3.3 V supply voltage) + 0.5	min -0.3 · max 5.5 V	35
Voltage on XTALIN	Maximum is VDD12 + 0.3 V	min -0.3 V	35
Low Input Level VILI	I, IS Type Input Buffer; TTL Levels	max 0.8 V	36
High Input Level VIHI	I, IS Type Input Buffer	min 2 V	36
Input Leakage IIL	I, IS Type Input Buffer; VIN = 0 to VDD33	min -10 · max 10 uA	36
Hysteresis (IS only) VHYSI	I, IS Type Input Buffer	min 250 · max 350 mV	36
Low Input Level VILI	Input Buffer with Pull-Up (IPU); TTL Levels	max 0.8 V	36
High Input Level VIHI	Input Buffer with Pull-Up (IPU)	min 2 V	36
Low Input Leakage IILL	Input Buffer with Pull-Up (IPU); VIN = 0	min 35 · max 90 uA	36
High Input Leakage IIHL	Input Buffer with Pull-Up (IPU); VIN = VDD33	min -10 · max 10 uA	36
Low Input Level VILI	Input Buffer with Pull-Down (IPD); TTL Levels	max 0.8 V	36
High Input Level VIHI	Input Buffer with Pull-Down (IPD)	min 2 V	36
Low Input Leakage IILL	Input Buffer with Pull-Down (IPD); VIN = 0	min 10 · max -10 uA	36
High Input Leakage IIHL	Input Buffer with Pull-Down (IPD); VIN = VDD33	min -35 · max -90 uA	36
Low Input Level VILCK	ICLK Input Buffer	max 0.3 V	36
High Input Level VIHCK	ICLK Input Buffer	min 0.9 V	36
Input Leakage IIL	ICLK Input Buffer; VIN = 0 to VDD33	min -10 · max 10 uA	36
Low Output Level VOL	O12, I/O12 & I/OSD12 Type Buffer; IOL = 12 mA @ VDD33 = 3.3 V	max 0.4 V	37
High Output Level VOH	O12, I/O12 & I/OSD12 Type Buffer; IOH = -12 mA @ VDD33 = 3.3 V	min 2.4 V	37
Output Leakage IOL	O12, I/O12 & I/OSD12 Type Buffer; current pins in high impedance	min -10 · max 10 uA	37
Hysteresis (SD pad only) VHYSC	VIN = VDD33; Note 5-1	min 250 · max 350 mV	37
Supply Current Unconfigured Hi-Speed Host ICCINTHS	Unconfigured; Hi-Speed Host	typ 40 · max 45 mA	37
Supply Current Hi-Speed Host, each additional downstream port ICCINTFS	Hi-Speed Host, each additional downstream port; measured during peak USB traffic, not average current draw	typ 35 · max 40 mA	37
Supply Current Hi-Speed Host, 1 downstream port IHCH1	Hi-Speed Host, 1 downstream port; measured during peak USB traffic, not average current draw	typ 47 · max 58 mA	37
Supply Current Hi-Speed Host, 2 downstream ports IHCH2	Hi-Speed Host, 2 downstream ports; measured during peak USB traffic, not average current draw	typ 70 · max 89 mA	37
Supply Current Full-Speed Host, 1 downstream port IFCC1	Full-Speed Host, 1 downstream port; measured during peak USB traffic, not average current draw	typ 29 · max 40 mA	37
Supply Current Full-Speed Host, 2 downstream ports IFCC2	Full-Speed Host, 2 downstream ports; measured during peak USB traffic, not average current draw	typ 35 · max 45 mA	37
Supply Current Suspend ICSBY	Maximum specified separately in Note 5-6	typ 425 uA	37
Supply Current Suspend ICSBY	Commercial temperature part; Note 5-6	max 1000 uA	37
Supply Current Reset ICRST	Maximum specified separately in Note 5-7	typ 300 uA	37
Supply Current Reset ICRST	Commercial temperature part; Note 5-7	max 800 uA	37
Clock Input Capacitance CXTAL	All pins except USB pins and the pins under the test tied to AC ground	max 6 pF	37
Input Capacitance CIN	TA = 25°C; fc = 1 MHz; VDD33 = 3.3 V	max 6 pF	37
Output Capacitance COUT	Maximum capacitance includes the full length of the pin pad	max 6 pF	37

Pins, by the datasheet

1 VDD33: 3.3 V power; requires a 0.1 uF low-ESR capacitor to VSS close to the pin. · p. 10
2 USBDM_DN1/PRT_DIS_M1: Downstream port 1 USB data minus; tie both port data pins to VDD33 to disable the port when strap configuration enables this function. · p. 6
3 USBDP_DN1/PRT_DIS_P1: Downstream port 1 USB data plus; also port disable strap. · p. 6
4 USBDM_DN2/PRT_DIS_M2: Downstream port 2 USB data minus; tie both port data pins to VDD33 to disable the port when strap configuration enables this function. · p. 6
5 USBDP_DN2/PRT_DIS_P2: Downstream port 2 USB data plus; also port disable strap. · p. 6
6 NC: Treat as no connect or connect to ground; do not route or attach a signal. · p. 9
8 OCS1_N: Port 1 over-current sense from an external current monitor; internal pull-up to 3.3 V. · p. 8
9 VDD33: 3.3 V power; requires a 1.0 uF low-ESR capacitor to VSS close to the pin. · p. 10
10 CRFILT: Core regulator filter; requires a 1.0 uF low-ESR capacitor to VSS. · p. 10
11 PRTPWR2: Active high downstream port 2 USB power enable. · p. 8
12 OCS2_N: Port 2 over-current sense from an external current monitor; internal pull-up to 3.3 V. · p. 8
13 SMBDATA/NON_REM1: SMBus data; non-removable port strap sampled with NON_REM0 at reset negation. · p. 6
14 SMBCLK/CFG_SEL: SMBus clock; configuration selection latched on reset negation. · p. 6
15 RESET_N: Active low reset input; minimum active low pulse is 1 us. · p. 9
16 VBUS_DET: Detects upstream VBUS; detachable hubs use a 2:1 voltage divider, while permanently attached self-powered applications use a host control output or host 3.3 V domain. · p. 7
17 SUSP_IND/LOCAL_PWR/(NON_REM0): Suspend indicator, configurable local power input, and non-removable port strap; never tie directly to VDD33. · p. 6
18 VDD33: 3.3 V power to the chip. · p. 10
19 USBDM_UP: Connect to upstream USB bus data minus. · p. 7
20 USBDP_UP: Connect to upstream USB bus data plus. · p. 7
21 XTALOUT: Crystal output, 1.2 V p-p with weak driving strength; leave unconnected or use with appropriate caution when an external clock drives XTALIN/CLKIN. · p. 9
22 XTALIN/CLKIN: Connect to one crystal terminal or an external 24 MHz clock. · p. 9
23 PLLFILT: PLL regulator filter; may have up to a 0.1 uF low-ESR capacitor to VSS or be left unconnected. · p. 10
24 RBIAS: Connect a 12.0 kΩ ±1% resistor to ground to set transceiver internal bias. · p. 8
ePad VSS: Package slug is the only device ground; connect to ground with multiple vias. · p. 10

Parameters

Current - Supply: 70mA
Current - Supply(Max): 89mA
Data Rate: 480Mbps
Features: ESD Protection
Memory Interface: SMBus
Number of Channels: 2
Operating Temperature: 0℃~+70℃
Quiescent Supply Current: 425uA
Standby Current: 425uA
USB Protocol: USB 2.0
Voltage - Supply: 3V~3.6V
Voltage - Supply(Absolute Max): 4.6V
type: Hub

Order codes

USB2422T/MJLCSC C622611

Pinout

The pins of the USB2422T/MJ
Pin	Name	Type
1	VDD33	Unspecified
2	USBDM_DN1/PRT_DIS_M1	Unspecified
3	USBDP_DN1/PRT_DIS_P1	Unspecified
4	USBDM_DN2/PRT_DIS_M2	Unspecified
5	USBDP_DN2/PRT_DIS_P2	Unspecified
6	NC	Unspecified
7	PRTPWR1/(BC_EN1)	Unspecified
8	OCS1_N	Unspecified
9	VDD33	Unspecified
10	CRFILT	Unspecified
11	PRTPWR2	Unspecified
12	OCS2_N	Unspecified
13	SMBDATA/NON_REM1	Unspecified
14	SMBCLK/CFG_SEL0	Unspecified
15	RESET_N	Unspecified
16	VBUS_DET	Unspecified
17	SUSP_IND/LOCAL_PWR/(NON_REM0)	Unspecified
18	VDD33	Unspecified
19	USBDM_UP	Unspecified
20	USBDP_UP	Unspecified
21	XTALOUT/(CLKIN_EN)	Unspecified
22	XTALIN/CLKIN	Unspecified
23	PLLFILT	Unspecified
24	RBIAS	Unspecified
25	EP	Unspecified

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Open-source boards using it

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Weckyy702/diy-router
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Questions

Is there a KiCad symbol and footprint for the USB2422T/MJ?

Yes. The symbol is EasyEDA_Cloud:USB2422_MJ and the footprint EasyEDA_Cloud:QFN-24_L4.0-W4.0-P0.50-BL-EP2.6, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the USB2422T/MJ?

QFN-24-EP(4x4), with 25 pins. Its footprint is drawn on this page.

Where is the USB2422T/MJ datasheet?

Microchip Technology publishes it: the Datasheet link on this page opens it.

Where can I order the USB2422T/MJ?

JLCPCB lists it as part C622611, with 709 in stock; the sellers' links on this page open their listings.

What can replace the USB2422T/MJ?

Parts like it in the library: the USB3315C-CP-TR by Microchip Technology, the USB3317C-CP-TR by Microchip Technology, the CY7C65210-24LTXI by Infineon Technologies and the CY7C63803-LQXC by Infineon Technologies. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the USB2422T/MJ?

1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.