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NXP Semiconductors PCA85132U/2DB/Q1,0
- Part No.:
- PCA85132U/2DB/Q1,0
- Manufacturer:
- NXP Semiconductors
- Category:
- Display Drivers
- Package:
- Die
- Datasheet:
-
PCA85132U/2DB/Q1,0.pdf
- Description:
- IC DRVR MULTIPLE DIE
- Quantity:
- Payment:
- Shipping:
Inventory:4,544
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Product details
Overview
PCA85132U/2DB/Q1 from NXP Semiconductors is an AEC-Q100 qualified LCD controller and driver IC for automotive instrumentation, generating static or multiplexed drive signals for up to 4 backplanes and 160 segments (640 total elements). It features I²C-bus interface (400 kHz), 160 × 4-bit display RAM with auto-increment addressing, and programmable frame frequency (60–90 Hz in 5 Hz steps). Used in digital dashboard displays requiring high reliability under temperature stress.
For engineers reviewing the PCA85132U/2DB/Q1 datasheet, PCA85132U/2DB/Q1 pinout, PCA85132U/2DB/Q1 application, or PCA85132U/2DB/Q1 equivalent, key selection criteria include its 1:4 multiplex capability, dual backplane output sets for Chip-on-Glass (COG) compatibility, wide VLCD range (1.8 V to 8.0 V), selectable bias (1/2 or 1/3), and cascading support for large displays.
Technical Context
The PCA85132U/2DB/Q1 implements a dedicated LCD timing engine with internal oscillator (±3.9% accuracy at 5.0 V, 30 °C) or external clock input via OSC pin. Frame frequency is derived from clock source using fixed division (ffr = fclk/64 for 1:4 mode), and configurable via frequency-ctrl command (F[2:0] bits).
It supports four drive modes-static, 1:2, 1:3, and 1:4 multiplex-with corresponding bias configurations (1/2 or 1/3), and provides hardware subaddressing across four banks. Blinking is implemented either globally via blink-select command or per-element via bank-switching in static/1:2 modes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Display Capacity | Up to 640 LCD elements (4 BP × 160 S); supports 80×7-seg or 40×14-seg alphanumeric rendering |
| I²C Interface | 400 kHz bidirectional bus; SDA/SCL pins with integrated input filters and SDAACK acknowledge output |
| Frame Frequency | 60–90 Hz in 5 Hz increments; factory-calibrated internal oscillator enables stable timing without external crystal |
| LCD Supply Range | VLCD = 1.8 V to 8.0 V; accommodates low-threshold, guest-host, and high-threshold twisted nematic LCDs |
| Logic Supply Range | VDD = 1.8 V to 5.5 V; independent from VLCD, enabling mixed-voltage system integration |
| Power Consumption | Typical IDD = 4 µA (logic), IDD(LCD) = 30 µA (bias generation active); ultra-low standby current |
| Drive Configuration | Selectable 1:1 (static), 1:2, 1:3, or 1:4 multiplex; 1/2 or 1/3 bias; two independent BP output sets for COG layout optimization |
Pinout & Package
Bare die package: 197 bumps, 6.5 mm × 1.16 mm × 0.40 mm; soft bumps (Q1 grade); substrate tied to VSS and electrically isolated.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| SDAACK (pins 1–3) | I²C acknowledge output | Signals successful byte reception on I²C bus; required for multi-master arbitration |
| SDA (pins 4–6) | I²C serial data I/O | Bi-directional data line; shorted to SDAACK in most applications per datasheet Section 14.3 |
| SCL (pins 7–9) | I²C serial clock input | Master-generated clock synchronizing all I²C transfers; includes input filtering |
| CLK (pin 10) | Clock I/O | Output when internal oscillator enabled (OSC→VSS); input when external clock used (OSC→VDD) |
| SYNC (pin 14) | Cascade synchronization I/O | Propagates CLK signal to downstream PCA85132 devices for synchronized frame timing |
| A0, A1, SA0 (pins 21–23) | Subaddress and slave address inputs | Configure hardware subaddress (0–3) and I²C slave address (7-bit) for multi-device bus topology |
| BP0–BP3 (pins 30–31, 112–115, 196–197) | LCD backplane outputs | Dual-pin-bar placement enables parallel routing or enhanced drive strength; BP pairing supported per drive mode |
| S0–S159 (pins 32–111, 116–195) | LCD segment outputs | 160 fully buffered outputs; segmented into two physical banks for layout flexibility in COG designs |
Key Features
| Feature | Design Value |
|---|---|
| Automotive qualification | AEC-Q100 Grade 2 (−40 °C to +105 °C ambient), validated for instrument cluster use |
| Cascadable architecture | SYNC pin enables daisy-chained timing; supports up to 5120 elements (8× PCA85132U/2DB/Q1) |
| No external components | Integrated LCD bias generator, voltage-follower buffers, and oscillator eliminate need for resistors/capacitors |
| COG-optimized pinout | Two independent sets of BP outputs (top/bottom pin bars) simplify fan-out routing on glass substrates |
| Versatile blinking control | Hardware-selectable blink modes (off, 1–3 rates) plus RAM-bank swapping for partial-element blinking |
Applications
| Automotive Digital Dashboard | Industrial Panel Meters |
|---|---|
|
Use Scenario: Driving a 4-backplane, 160-segment LCD in vehicle instrument clusters with temperature cycling and EMI exposure. IC Role / Device Role / Timing Role: Primary LCD controller/driver; generates multiplexed waveforms, manages display RAM, and synchronizes frame timing via internal oscillator. Use Value: AEC-Q100 compliance ensures operation over −40 °C to +105 °C; wide VLCD range (1.8–8.0 V) supports diverse LCD modules without redesign. |
Use Scenario: Driving alphanumeric LCDs in DIN-rail mounted energy meters requiring long-term stability and low power. IC Role / Device Role / Timing Role: Standalone segment driver interfacing to microcontroller via I²C; handles display refresh, blinking, and bias generation autonomously. Use Value: 4 µA typical logic supply current extends battery life; 160 × 4-bit RAM reduces host MCU polling overhead; no external bias components lower BOM cost. |
| Medical Device Displays | Appliance User Interfaces |
|
Use Scenario: Rendering critical status indicators and numeric values on small-footprint LCDs in portable diagnostic equipment. IC Role / Device Role / Timing Role: Dedicated display peripheral offloading timing-critical waveform generation from main MCU; supports static and 1:2 drive modes. Use Value: Dual BP output sets enable compact COG layout; 1.8 V logic supply allows direct interface with low-voltage MCUs; factory-calibrated oscillator ensures consistent contrast. |
Use Scenario: Driving segmented displays in smart home appliances (ovens, washing machines) with variable ambient lighting. IC Role / Device Role / Timing Role: Display subsystem controller managing segment activation, blinking patterns, and contrast via VLCD adjustment. Use Value: Programmable frame frequency (60–90 Hz) eliminates visible flicker under AC lighting; 1/3 bias configuration maximizes discrimination ratio for high-contrast readability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LCD driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| PCF8576D/1,118 | Lower segment count (144 segments), no 1:4 multiplex support; 200 kHz I²C max; requires external bias resistor network | Best suited for simpler 1:2 or static displays where 640-element capacity is unnecessary | Choose PCF8576D/1,118 for cost-sensitive, non-automotive applications with ≤144 segments and no cascading requirement |
| RA8835-GN | Parallel interface only (no I²C); higher integration (built-in font ROM, graphic acceleration); 5 V logic only; no AEC-Q100 qualification | Targeted at embedded graphics displays (128×64+), not segment-based instrumentation | Choose RA8835-GN only when migrating to dot-matrix GUIs and parallel MCU interfaces; unsuitable for automotive or low-pin-count I²C systems |
Compared with PCF8576D/1,118 and RA8835-GN, the PCA85132U/2DB/Q1 uniquely combines AEC-Q100 compliance, 4-backplane 1:4 multiplex capability, I²C interface, and zero-external-component bias generation - making it the sole fit for scalable, high-reliability automotive segment displays.
Availability
PCA85132U/2DB/Q1 is available at Aetrix Electronics and suitable for automotive digital dashboards, industrial panel meters, medical device displays, and appliance user interfaces requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for PCA85132U/2DB/Q1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor leader specializing in secure connectivity solutions for automotive, industrial, and IoT applications, with deep expertise in mixed-signal and display interface IP.
The PCA85132U/2DB/Q1 belongs to NXP's automotive-qualified LCD segment driver family, designed specifically for reliable, low-power, high-contrast instrumentation displays in harsh environments.
FAQ
What is the maximum LCD element count supported by the PCA85132U/2DB/Q1?
The PCA85132U/2DB/Q1 supports up to 640 LCD elements (4 backplanes × 160 segments). This enables configurations such as 80 seven-segment digits, 40 fourteen-segment alphanumeric characters, or arbitrary graphics layouts. Cascading multiple PCA85132U/2DB/Q1 devices extends capacity to 5120 elements.
Does the PCA85132U/2DB/Q1 require external components for LCD bias generation?
No. The PCA85132U/2DB/Q1 integrates a fractional LCD bias generator with voltage-follower buffers, eliminating external resistors or capacitors. Bias configuration (1/2 or 1/3) is selected via the mode-set command, and VLCD can range from 1.8 V to 8.0 V depending on LCD type.
How does the PCA85132U/2DB/Q1 achieve AEC-Q100 compliance?
The PCA85132U/2DB/Q1 is qualified to AEC-Q100 Grade 2 (−40 °C to +105 °C ambient), with validation across temperature cycling, humidity, ESD, and lifetime reliability tests. Its design includes robust I/O protection, stable internal oscillator calibration (±3.9%), and process controls meeting automotive quality standards.
Can the PCA85132U/2DB/Q1 drive both static and multiplexed LCDs?
Yes. The PCA85132U/2DB/Q1 supports static (1-backplane), 1:2, 1:3, and 1:4 multiplexed LCDs. Drive mode and bias configuration are set via the mode-set command. Default power-on state is 1:4 multiplex with 1/3 bias, but all modes are software configurable at runtime.
What is the function of the SYNC pin on the PCA85132U/2DB/Q1?
The SYNC pin (pin 14) serves as a cascade synchronization I/O. When driving multiple PCA85132U/2DB/Q1 devices, it propagates the CLK signal from one device to the next, ensuring frame-aligned timing across the chain - essential for flicker-free, coherent multi-panel displays.
PCA85132U/2DB/Q1,0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- Die
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Display Type:
- LCD
- Configuration:
- Multiple
- Interface:
- I2C
- Digits or Characters:
- Any Digit Type
- Current - Supply:
- 60 µA
- Voltage - Supply:
- 1.8V ~ 5.5V
- Operating Temperature:
- -40°C ~ 95°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- Die
PCA85132U/2DB/Q1,0 FAQ
1.How can I place an order for PCA85132U/2DB/Q1,0 through Aetrix?
Please submit a Request for Quotation (RFQ) for PCA85132U/2DB/Q1,0 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for PCA85132U/2DB/Q1,0 reliable?
The price and inventory of PCA85132U/2DB/Q1,0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PCA85132U/2DB/Q1,0 is usually 5 days.
3.What payment methods are accepted for PCA85132U/2DB/Q1,0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PCA85132U/2DB/Q1,0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PCA85132U/2DB/Q1,0?
PCA85132U/2DB/Q1,0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PCA85132U/2DB/Q1,0 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for PCA85132U/2DB/Q1,0?
For technical support, including PCA85132U/2DB/Q1,0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PCA85132U/2DB/Q1,0 requirements.
6.How does Aetrix verify that PCA85132U/2DB/Q1,0 is sourced from the original manufacturer or authorized distributors?
All PCA85132U/2DB/Q1,0 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that PCA85132U/2DB/Q1,0 meets industry standards.
7.What is the process for return or replacement of PCA85132U/2DB/Q1,0?
All PCA85132U/2DB/Q1,0 units undergo pre-shipment inspection (PSI). If there is an issue with PCA85132U/2DB/Q1,0, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The PCA85132U/2DB/Q1,0 part is unused and in its original packaging.
Return procedure for PCA85132U/2DB/Q1,0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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