Hx8872-c | Datasheet

Indicates valid pixel data periods. The chip can often be configured in DE-only mode or Sync-mode. Control and Configuration Pins RESETB: Active-low hardware reset pin.

The is a high-performance TFT-LCD Gate Driver and Timing Controller (T-CON) primarily manufactured by Himax Technologies . It is designed to manage high-definition display signals for a wide range of consumer and industrial electronics. Technical Specifications

| Mode | Enable Pin (EN) | Current Consumption | Application | |------|----------------|---------------------|-------------| | | High | 10–20 mA | Normal panel operation | | Standby | Low | 1–2 μA | Power saving when display is off |

Often requiring an external crystal oscillator for precise clock signals. Backlight Circuitry: To manage the illumination of the connected LCD. Support Components:

| Register | Address | Function | Common Setting | | :--- | :--- | :--- | :--- | | | 0x10 | PLL multiplier setting | 0x2A (for 24 MHz in, 400 MHz out) | | LANE_CTRL | 0x14 | Number of MIPI lanes | 0x01 (1 lane) or 0x03 (2 lanes) | | RGB_CTRL | 0x20 | RGB bit width & polarity | 0x88 (RGB888, rising edge) | | MIPI_DSI_CFG | 0x30 | DSI burst mode, video mode type | 0x07 (Burst mode, sync pulses) | | PWM_DUTY | 0x40 | Backlight duty cycle (8-bit) | 0x80 (50% duty) | hx8872-c datasheet

Features an internal charge pump or precise control signaling for VGHcap V sub cap G cap H end-sub VGLcap V sub cap G cap L end-sub VCOMcap V sub cap C cap O cap M end-sub AVDDcap A sub cap V cap D cap D end-sub generation circuit blocks. 2. Pinout Architecture and Signal Descriptions

| Parameter | Symbol | Min | Typ | Max | Unit | |-----------|--------|-----|-----|-----|------| | Supply Voltage | VDD | 2.0 | 3.3 | 5.5 | V | | Standby Current | ISB | — | 1.0 | 2.0 | μA | | Active Current | IOP | — | 10 | 20 | mA | | Operating Frequency | fOSC | 1 | 16 | 24 | MHz | | Regulated Output Voltage | VOUT | — | 3.3 | — | V | | Load Regulation | ΔVOL | — | 0.05 | 0.1 | % | | Line Regulation | ΔVOL | — | 0.05 | 0.1 | % | | Dropout Voltage | VDROPOUT | — | 0.3 | 0.5 | V | | Thermal Shutdown | TSD | — | 150 | — | °C | | Storage Temperature | TSTG | -40 | — | 85 | °C |

The chip is most commonly housed in a layout or a compact footprint QFN-48 layout. While precise configurations vary across explicit revision sub-variants (e.g., HX8872-C010LAG vs HX8872-C030FCG ), pins are systematically grouped into explicit functional families: Power Supply & Ground Pins: Separate digital power ( VDDDcap V sub cap D cap D cap D end-sub ), analog power ( VDDAcap V sub cap D cap D cap A end-sub ), and reference grounds ( VSScap V sub cap S cap S end-sub

: Control panels, smart meters, and environmental monitoring devices. Sourcing Note Indicates valid pixel data periods

| Supplier | Part Number | Price (approximate) | Condition | |----------|-------------|---------------------|-----------| | Alibaba.com | HX8872-C030FCG | ¥15.81 – ¥19.80/piece (≥1,000 pcs) | New | | Utsource.us | HX8872-C | Contact for quote | New | | Ariat-Tech | HX8872-C030FCG | Contact for quote | New Original Stock | | Oki-Doki (Ukraine) | HX8872-C030FCG | 108 грн (~US$2.80) | New |

Software commands to cleanly shut down output clocks and sequence off the high-voltage display rails before entering deep sleep. 6. Typical Application Circuit and Layout Guidelines

Note: For exact electrical characteristics (voltage ranges, absolute maximum ratings) and register settings, consulting the official Himax HX8872 datasheet PDF is recommended, as specific variants (like HX8872-A, HX8872-B) may have slight variations.

[Host Processor RGB/LVDS] ---> [Input Interface Engine] | v [Scaling & Dithering Engine] | v [Gamma Correction LUT (10-Bit)] | v [Gate/Source LCD Drivers] <--- [Output TCON Formatting Engine] Input Timing Constraints The is a high-performance TFT-LCD Gate Driver and

The HX8872-C is a versatile component found in numerous devices requiring precise image processing: Smartphones, tablets, and digital cameras.

| Parameter | Value | |-----------|-------| | | HX8872 | | Resolution | HD | | Input/Output Interface | LVDS / MLVDS | | Features | Over-drive 1366×768, CABC, 6+Hi-FRC/8bit | | Frequency | 30–115MHz | | Voltage | 3.3V | | Package | QFN48 |

For optimal reliability, apply power to VDD before enabling the LVDS input signals. This prevents latch-up conditions common in CMOS I/O structures.