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ESP32-H2FH4S
Public Made by Adomby adom
Espressif Systems RF and Wireless, 32-VFQFN Exposed Pad. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownESP32-H2FH4S
Espressif Systems · RF and Wireless · 32-VFQFN Exposed Pad
ESP32-H2FH4S from Espressif Systems, in a 32-VFQFN Exposed Pad. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | VDD3P3 | power_in | Input supply for the analog power domain (VDD3P3). |
| 2 | VDD3P3 | power_in | Input supply for the analog power domain (VDD3P3). |
| 3 | GPIO0 | bidirectional | Digital IO powered from VDDPST1; default drive strength is 20 mA, with IO MUX alternate function FSPIQ. |
| 4 | GPIO1 | bidirectional | Digital IO powered from VDDPST1; default drive strength is 20 mA, also ADC1_CH0 analog function. |
| 5 | MTMS | bidirectional | JTAG Test Mode Select, powered from VDDPST1, input enabled at reset and after reset; also ADC1_CH1 analog function. |
| 6 | MTDO | bidirectional | JTAG Test Data Out, powered from VDDPST1, input enabled at reset and after reset; also ADC1_CH2 analog function. |
| 7 | MTCK | bidirectional | JTAG Test Clock, powered from VDDPST1; input enable depends on EFUSE_DIS_PAD_JTAG (WPU enabled when 0, pin floating when 1); also ADC1_CH3 analog function. |
| 8 | MTDI | bidirectional | JTAG Test Data In, powered from VDDPST1, input enabled at reset; also ADC1_CH4 analog function. |
| 9 | VDDPST1 | power_in | IO power domain supply for digital IO and LP IO pins (VDDPST1). |
| 10 | GPIO8 | bidirectional | LP IO powered from VDDPST1, input enabled at reset and after reset. |
| 11 | GPIO9 | bidirectional | LP IO powered from VDDPST1, input enabled with internal weak pull-up at reset and after reset. |
| 12 | GPIO10 | bidirectional | LP IO powered from VDDPST1; also ZCD0 analog pad voltage comparator function. |
| 13 | GPIO11 | bidirectional | LP IO powered from VDDPST1; also ZCD1 analog pad voltage comparator function. |
| 14 | GPIO12 | bidirectional | LP IO powered from VDDA_PMU/VBAT, with IO MUX functions. |
| 15 | XTAL_32K_P | bidirectional | Positive 32 kHz clock signal connected to the chip oscillator/crystal, powered from VDDA_PMU/VBAT. |
| 16 | XTAL_32K_N | bidirectional | Negative 32 kHz clock signal for external clock input/output, powered from VDDA_PMU/VBAT. |
| 17 | CHIP_EN | input | High enables the chip (powered up), Low disables the chip (powered down); do not leave this pin floating. |
| 18 | VBAT | power_in | Analog power domain or battery power supply input. |
| 19 | VDDA_PMU | power_in | Analog power domain supply input for the power management unit. |
| 20 | VDDPST2 | power_in | IO power domain supply for digital IO pins (VDDPST2). |
| 21 | GPIO22 | bidirectional | Digital IO powered from VDDPST2 with IO MUX functions. |
| 22 | U0RXD | bidirectional | UART0 receive data, powered from VDDPST2, input enabled with internal weak pull-up at reset and after reset. |
| 23 | U0TXD | bidirectional | UART0 transmit data, powered from VDDPST2, input enabled with internal weak pull-up at reset and after reset. |
| 24 | GPIO25 | bidirectional | Digital IO powered from VDDPST2, input enabled at reset and after reset. |
| 25 | GPIO26 | bidirectional | Digital IO powered from VDDPST2, input enabled; default drive strength 40 mA; also USB_D- analog function. |
| 26 | GPIO27 | bidirectional | Digital IO powered from VDDPST2, input enabled with USB pull-up by default; default drive strength 40 mA; also USB_D+ analog function. |
| 27 | VDD3P3 | power_in | Input supply for the analog power domain (VDD3P3). |
| 28 | XTAL_N | passive | External clock input/output connected to the chip crystal or oscillator (negative side of the differential clock). |
| 29 | XTAL_P | passive | External clock input/output connected to the chip crystal or oscillator (positive side of the differential clock). |
| 30 | VDD3P3 | power_in | Input supply for the analog power domain (VDD3P3). |
| 31 | VDD3P3 | power_in | Input supply for the analog power domain (VDD3P3). |
| 32 | ANT | bidirectional | RF LNA input/output signal. |
| 33 | GND | power_in | External ground connection. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Espressif Systems |
| Package | 32-VFQFN Exposed Pad |
| Category | RF and Wireless |
| Pins | 33 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Recommended input voltage | VDD3P3, VBAT, VDDA_PMU, VDDPST1, VDDPST2 | 3 | 3.3 | 3.6 | V | 53 | |
| Cumulative input current | IVDD | 0.35 | A | 53 | |||
| Ambient temperature | TA | -40 | 105 | °C | 53 | ||
| Allowed input voltage (input power pins) | -0.3 | 3.6 | V | 53 | |||
| Cumulative IO output current | 1.3 | A | 53 | ||||
| Storage temperature | TSTORE | -40 | 150 | °C | 53 | ||
| Low-level input current | IIL | 50 | nA | 53 | |||
| High-level input current | IIH | 50 | nA | 53 | |||
| DNL (Differential nonlinearity) | DNL | -8 | 12 | LSB | 54 | ||
| INL (Integral nonlinearity) | INL | -10 | 10 | LSB | 54 | ||
| Sampling rate | 100 | kSPS | 54 | ||||
| ADC total error | -7 | 7 | mV | ATTEN0, effective measurement range of 0 ~ 1000 | 54 | ||
| ADC total error | -8 | 8 | mV | ATTEN1, effective measurement range of 0 ~ 1300 | 54 | ||
| ADC total error | -12 | 12 | mV | ATTEN2, effective measurement range of 0 ~ 1900 | 54 | ||
| ADC total error | -23 | 23 | mV | ATTEN3, effective measurement range of 0 ~ 3300 | 54 | ||
| Pin capacitance | CIN | 2 | pF | 53 | |||
| High-level source current | IOH | 40 | mA | VDD = 3.3 V, VOH >= 2.64 V, PAD_DRIVER = 3 | 54 | ||
| Low-level sink current | IOL | 28 | mA | VDD = 3.3 V, VOL = 0.495 V, PAD_DRIVER = 3 | 54 | ||
| Internal weak pull-up resistor | RPU | 45 | kΩ | 54 | |||
| Internal weak pull-down resistor | RPD | 45 | kΩ | 54 | |||
| Bluetooth LE current consumption TX | 140 | mA | Bluetooth LE @ 20.0 dBm | 55 | |||
| Bluetooth LE current consumption TX | 60 | mA | Bluetooth LE @ 9.0 dBm | 55 | |||
| Bluetooth LE current consumption TX | 36 | mA | Bluetooth LE @ 0 dBm | 55 | |||
| Bluetooth LE current consumption TX | 24 | mA | Bluetooth LE @ -24.0 dBm | 55 | |||
| Bluetooth LE current consumption RX | 24 | mA | Bluetooth LE RX | 55 | |||
| 802.15.4 current consumption TX | 140 | mA | 802.15.4 @ 20.0 dBm | 55 | |||
| 802.15.4 current consumption TX | 60 | mA | 802.15.4 @ 9.0 dBm | 55 | |||
| 802.15.4 current consumption TX | 36 | mA | 802.15.4 @ 0 dBm | 55 | |||
| 802.15.4 current consumption TX | 24 | mA | 802.15.4 @ -24.0 dBm | 55 | |||
| 802.15.4 current consumption RX | 25 | mA | 802.15.4 RX | 55 | |||
| Modem-sleep current consumption | 10 | mA | 96 MHz, CPU running, all peripheral clocks disabled | 55 | |||
| Modem-sleep current consumption | 17 | mA | 96 MHz, CPU running, all peripheral clocks enabled | 55 | |||
| Modem-sleep current consumption | 6 | mA | 96 MHz, CPU in idle, all peripheral clocks disabled | 55 | |||
| Modem-sleep current consumption | 13 | mA | 96 MHz, CPU in idle, all peripheral clocks enabled | 55 | |||
| Modem-sleep current consumption | 8 | mA | 64 MHz, CPU running, all peripheral clocks disabled | 55 | |||
| Modem-sleep current consumption | 5 | mA | 64 MHz, CPU in idle, all peripheral clocks disabled | 55 | |||
| Modem-sleep current consumption | 7 | mA | 48 MHz, CPU running, all peripheral clocks disabled | 56 | |||
| Modem-sleep current consumption | 11 | mA | 48 MHz, CPU running, all peripheral clocks enabled | 56 | |||
| Modem-sleep current consumption | 5 | mA | 48 MHz, CPU in idle, all peripheral clocks disabled | 56 | |||
| Modem-sleep current consumption | 9 | mA | 48 MHz, CPU in idle, all peripheral clocks enabled | 56 | |||
| Modem-sleep current consumption | 4 | mA | 32 MHz, CPU running, all peripheral clocks disabled | 56 | |||
| Modem-sleep current consumption | 8 | mA | 32 MHz, CPU running, all peripheral clocks enabled | 56 | |||
| Modem-sleep current consumption | 3 | mA | 32 MHz, CPU in idle, all peripheral clocks disabled | 56 | |||
| Light-sleep current consumption | 85 | µA | CPU and wireless communication modules powered down, peripheral clocks disabled, all GPIOs high-impedance | 56 | |||
| Light-sleep current consumption | 25 | µA | CPU, wireless communication modules and peripherals powered down, all GPIOs high-impedance | 56 | |||
| Deep-sleep current consumption | 7 | µA | RTC timer and LP memory powered on | 56 | |||
| Power-off current consumption | 1 | µA | CHIP_EN set to low level, chip powered off | 56 |
CAD (KiCad official)
- Symbol:
ESP32-H2FH4S - Footprint:
PCM_Espressif:QFN-32-1EP_4x4mm_P0.4mm_EP2.9x2.9mm - 3D model: 32-VFQFN Exposed Pad (KiCad packages3D, STEP)
- 3D model files:
esp32-h2fh4s-etched.step/esp32-h2fh4s-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);esp32-h2fh4s.step/esp32-h2fh4s.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Espressif Systems datasheet (69 pp, sha256
2cb42839833eac06, retrieved 2026-10-27, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).