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PCF85176H/1

40x4 universal LCD driver, I2C 400kHz, 1.8-5.5V, TQFP-64, cascadable

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Pieza del fabricante：

PCF85176H/1

Paquete：

TQFP-64 (10x10x1.0mm)

Marca：
Categorías de productos：
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Descripción

Productos

The PCF85176H/1 from NXP Semiconductors is a 40×4 universal LCD driver for low multiplex rates. It generates drive signals for static or multiplexed LCDs with up to four backplanes and 40 segments, communicating via I2C at 400kHz. Packaged in a 64-pin TQFP (10x10mm).

Especificaciones

Segments 40 segment outputs
Backplanes 4 (static, 2, 3, or 4 MUX)
Display RAM 40 x 4-bit
Tensión de alimentación 1.8V to 5.5V
LCD Supply 2.5V to 6.5V
Interface I2C, 400kHz
Supply Current 7uA (max)
Paquete TQFP-64 (10x10mm)
Temperatura de funcionamiento -40 to +85 C

Características

  • Single-chip LCD controller and driver
  • Selectable backplane configuration: static, 2, 3, or 4 MUX
  • Internal LCD bias generation with voltage-follower buffers
  • Auto-incremented display data loading
  • Display memory bank switching
  • Versatile blinking modes
  • Cascadable for large LCDs (up to 2560 segments)
  • No external components required

Aplicaciones

  • Consumer LCD displays
  • Industrial instrument panels
  • Home automation displays
  • Metering and measurement readouts

The PCF85176H/1 from NXP Semiconductors is a versatile peripheral device that interfaces microcontrollers to a wide variety of LCD displays with low multiplex rates. It generates drive signals for any static or multiplexed LCD containing up to four backplanes and 40 segments. The device communicates via a 400kHz I2C-bus interface and features auto-incremented addressing, hardware subaddressing, and display memory switching. Internal LCD bias generation eliminates external components. Multiple devices can be cascaded for large LCD applications with up to 2560 segments. The very low supply current of 7uA makes it suitable for battery-powered applications.

The PCF85176H/1 operates as an I2C peripheral that receives display data from a master microcontroller and drives LCD segments and backplanes directly. The 40×4-bit display RAM stores the on/off state for each segment under each backplane configuration. The I2C interface supports auto-incremented addressing for efficient block data transfers. The internal bias generator creates the required LCD drive voltages with voltage-follower buffers for clean drive waveforms. The backplane and segment outputs generate the multiplexed AC drive waveforms needed to maintain LCD segments without DC bias. The device supports selectable multiplex rates (static, 2, 3, or 4 backplanes) and bias configurations (static, 1/2, or 1/3).

Grupo Pin Cuenta Función
Segment Outputs 40 S0-S39 LCD segment drivers
Backplane Outputs 4 BP0-BP3 LCD backplane drivers
I2C 2 SDA, SCL serial bus
Address 3 A0-A2 subaddress inputs
Controlar 3 OSC, SYNC, SA0
Potencia 3 VDD, VSS, VLCD
NC 9 Not connected
  • Industrial instrument panels with custom LCD displays up to 160 elements
  • Consumer electronics requiring segment LCD control via I2C
  • Metering systems with cascaded LCD drivers for large display areas
  • Battery-powered devices needing low-current LCD driving with 7uA supply current
Modelo Fabricante Diferencia clave
PCF85176T/1 NXP TSSOP-56 package variant
PCF8576CU/2 NXP Earlier generation, 40×4 LCD driver
HT16K33 Holtek 16×8 LED driver with I2C
NJU6450 NJRC 80-segment LCD driver
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Garantía de calidad

Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

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We implement 100% full-batch quality control for all goods before shipment. Our professional QC team conducts multi-dimensional tests including appearance inspection, electrical parameter testing, performance verification and packaging check. Each batch of components is attached with complete inspection reports and batch records. We stick to zero-tolerance standards for defective products to ensure every piece of component meets industrial application requirements.

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Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

Envíos y pagos

Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

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Contact Information

Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

Servicio y embalaje

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

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We specialize in a full range of passive and active electronic components, including SMD resistors, power resistors, connectors, aviation connectors, LED beads, flexible circuit boards, printed circuit boards, and integrated circuits. Our professional team provides BOM list consolidation, component matching, and alternative model recommendation services. We support sample orders, small-batch trial production, and mass production orders with flexible MOQs to meet diverse procurement needs.

2. Genuine Product Guarantee & Full-process Quality Inspection

All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

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Professional Packaging Standards

Electronic components are sensitive to static electricity, collision, moisture and dust. We adopt industry-standard anti-static packaging solutions to fully ensure the integrity of goods during transportation and storage.

1. General Packaging Specifications

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We provide value-added services including personalized packaging, custom labeling and re-reeling according to customer requirements, fully matching your production and warehouse management standards.

Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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