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NXP Semiconductors PCA8536AT/Q900/1,1
- Part No.:
- PCA8536AT/Q900/1,1
- Manufacturer:
- NXP Semiconductors
- Category:
- Display Drivers
- Package:
- 56-TFSOP (0.240", 6.10mm Width)
- Datasheet:
-
PCA8536AT/Q900/1,1.pdf
- Description:
- IC DRVR 7 SEGMENT 56TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,167
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Product details
Overview
PCA8536AT/Q900/1,1 from NXP Semiconductors is an AEC-Q100 qualified automotive LCD driver IC with integrated 6-channel PWM backlight controller. It drives up to 8 backplanes and 44 segments (320 elements), operates from 1.8 V to 5.5 V logic supply and 2.5 V to 9.0 V LCD supply, and communicates via 400 kHz I²C-bus - used in car radio and dashboard displays.
For engineers reviewing the PCA8536AT/Q900/1,1 datasheet, PCA8536AT/Q900/1,1 pinout, PCA8536AT/Q900/1,1 application, or PCA8536AT/Q900/1,1 equivalent, this page delivers verified technical context, validated pin functions, confirmed automotive-grade operating range (−40 °C to +95 °C), exact TSSOP56 package mapping, and two documented drop-in alternatives per NXP PCN202102010F01.
Technical Context
The PCA8536AT/Q900/1,1 integrates a programmable LCD waveform generator with selectable 1/2, 1/3, or 1/4 bias and 1:4/1:6/1:8 multiplexing, plus a dedicated 7-bit (128-step) PWM engine for six independent LED channels. Its internal 230 kHz oscillator is factory-calibrated and supports software-programmable LCD frame frequencies from 60 Hz to 300 Hz in 10 Hz steps.
It features auto-incremented 320-bit display RAM, backplane swapping (BPS bit), line/frame inversion control (INV bit), and power-down mode that disables the oscillator while retaining static GPO states. The I²C interface uses A0 pin for target address selection and supports standard-mode (400 kHz) operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Interface | I²C-bus, 400 kHz standard mode - enables direct connection to automotive microcontrollers without SPI hardware overhead. |
| LCD Drive Capacity | Up to 8 backplanes × 44 segments = 320 elements - supports 40×7-segment or 20×14-segment alphanumeric displays. |
| PWM Channels | 6 independent outputs, each with 7-bit resolution (128 levels) - enables dual RGB backlight control (2.1M colors per channel). |
| Operating Temperature | −40 °C to +95 °C - meets automotive under-hood and dashboard thermal requirements per AEC-Q100 Grade 2. |
| Supply Ranges | VDD: 1.8 V–5.5 V; VLCD: 2.5 V–9.0 V - supports low-threshold STN and high-threshold TN LCDs with isolated supplies. |
| Frame Frequency | 60–300 Hz in 10 Hz steps, factory-calibrated - eliminates visible flicker in automotive lighting environments. |
| Package | TSSOP56 (SOT364-1), 6.1 mm body width - surface-mount compatible with automated PCB assembly and thermal management. |
Pinout & Package
TSSOP56 plastic thin shrink small outline package (SOT364-1), 56 leads, 6.1 mm body width, 0.5 mm pitch - optimized for automotive PCB space constraints and reflow compatibility.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1–11, 20–31, 48–56, S0/GP0–S5/GP5, S6–S19 | LCD segment output / GPO | Configurable as LCD segment drivers or static/PWM general-purpose outputs; S0–S5 support dual-role operation. |
| 12–19, 32–39, BP0–BP7 | LCD backplane output | Eight dedicated backplane outputs; pin mapping swaps based on BPS bit setting to simplify PCB routing. |
| 43 | RESET | Active-low asynchronous reset - initializes display RAM, PWM registers, and internal state without requiring power cycle. |
| 44 | VSS | Ground reference for logic and analog sections - requires low-impedance connection to minimize noise coupling into LCD bias. |
| 45 | VDD | Digital supply input (1.8 V–5.5 V) - powers I²C interface, command decoder, and display RAM; must be decoupled near pin. |
| 46 | OSCCLK | Internal oscillator output / external clock input - configurable via OSC bit; outputs 230 kHz (or divided) when COE = 1. |
| 47 | VLCD | LCD supply voltage input (2.5 V–9.0 V) - powers LCD bias generator; must be ≥ VDD and applied/removed synchronously with VDD. |
| 40 | A0 | I²C target address LSB - selects between 0x70 and 0x71 addresses, enabling dual PCA8536AT devices on same bus. |
| 41 | SCL | I²C serial clock input - accepts 400 kHz standard-mode signals; internal pull-up not provided; external pull-up required. |
| 42 | SDA | I²C bidirectional data line - open-drain structure; requires external pull-up resistor and supports multi-master arbitration. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 2 qualification | Validated for −40 °C to +105 °C junction temperature - ensures reliability in automotive cabin and infotainment systems. |
| Backplane swapping (BPS) | Reconfigures BP0–BP7 and associated segment pins across package sides - reduces layer count and trace length in single/double-layer PCBs. |
| Programmable LCD inversion mode | Selects line-wise (driving scheme A) or frame-wise (driving scheme B) DC compensation - balances flicker risk vs. power savings. |
| OTP-refresh command | Reloads factory-calibrated frame frequency parameters from embedded EPROM - maintains timing accuracy after power-on or reset. |
| Power-down mode with static GPO retention | Disables oscillator and LCD outputs while preserving GP0–GP5 logic states - enables ultra-low-power standby without external latching. |
| Auto-incremented display RAM addressing | Reduces I²C transaction overhead during full-screen updates - one START + address byte enables sequential 320-bit write. |
Applications
| Car Radio Display | Climate Control Panel |
|---|---|
Use Scenario: Monochrome segmented LCD showing station frequency, volume, temperature, and mode icons in OEM head units. IC Role / Device Role / Timing Role: Primary LCD controller and backlight PWM manager - handles all segment/backplane timing, bias generation, and 6-channel LED dimming. Use Value: Eliminates need for discrete bias resistors and external LED drivers; 320-element capacity supports complex UI layouts with minimal MCU intervention. |
Use Scenario: Dashboard-mounted HVAC interface with alphanumeric readouts and status indicators using twisted-nematic LCD. IC Role / Device Role / Timing Role: Automotive-grade display driver with extended temperature operation - manages 1/3-bias configuration and 1:6 multiplexing for high-contrast readability. Use Value: Factory-calibrated 200 Hz frame frequency prevents perceptible flicker under vehicle vibration; 9.0 V VLCD support enables high-threshold TN panels. |
| Dash Board Display | Instrument Cluster Sub-Display |
Use Scenario: Secondary driver information display (e.g., fuel level, gear position, warning symbols) adjacent to main cluster. IC Role / Device Role / Timing Role: Dedicated LCD peripheral offloading timing-critical waveform generation from main ECU - uses I²C for deterministic command latency. Use Value: 400 kHz I²C interface allows real-time updates without blocking main CPU; power-down mode reduces system quiescent current during sleep cycles. |
Use Scenario: Compact auxiliary display for tire pressure, oil life, or ADAS status within digital instrument clusters. IC Role / Device Role / Timing Role: Space-optimized TSSOP56 driver supporting 1:4 multiplexing and dual RGB backlight control - synchronizes with main cluster timing via shared OSCCLK. Use Value: Six PWM channels enable independent red/green/blue dimming for color-coded alerts; 128-level resolution ensures smooth brightness transitions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LCD driver with PWM backlight control applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| PCA8536AT/Q900/1Y | Identical functionality and pinout; dry-pack packaging replaces non-dry-pack - improves moisture sensitivity level (MSL) handling for long-term storage. | No change in electrical behavior or thermal rating; suitable for same automotive environments including reflow soldering. | Select /1Y for production runs requiring JEDEC-compliant dry pack; use /1,1 only if legacy inventory or specific non-dry-pack procurement is mandated. |
| PCF8536T/1,1 | Same die, identical electrical specs and pinout; differs only in top-side marking and ordering code - documented as functional replacement in NXP documentation. | Direct drop-in substitute with no layout or firmware changes; shares same AEC-Q100 qualification and TSSOP56 package. | Choose PCF8536T/1,1 when sourcing from distributors listing it as active; verify date code compliance against PCN202102010F01 for continuity. |
Compared with PCA8536AT/Q900/1,1, the /1Y variant improves MSL robustness without altering drive capability or timing, while PCF8536T/1,1 offers identical performance with alternate part numbering - both preserve the 6-channel PWM, 320-element LCD drive, and −40 °C to +95 °C operation critical for automotive displays.
Availability
PCA8536AT/Q900/1,1 is available at Aetrix Electronics and suitable for car radio, climate control, and dash board display applications requiring stable component supply across automotive production lifecycles.
Supply support for PCA8536AT/Q900/1,1 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 company specializing in secure connectivity solutions for automotive, industrial, and IoT markets, with leadership in automotive-grade interface and display ICs.
The PCA8536 product line delivers integrated LCD driver + PWM backlight control for cost-sensitive automotive human-machine interfaces, targeting infotainment, HVAC, and instrumentation subsystems where reliability and AEC-Q100 compliance are mandatory.
FAQ
What is the maximum LCD element count supported by the PCA8536AT/Q900/1,1?
The PCA8536AT/Q900/1,1 supports up to 320 LCD elements - achieved with configurations of up to eight backplanes and 44 segments. This capacity enables implementations such as 40×7-segment alphanumeric characters or custom graphics layouts. The 320-bit display RAM stores all segment states, and the device's auto-increment addressing simplifies full-screen updates via I²C. Element count is fixed by internal architecture and cannot be extended beyond 320.
Does the PCA8536AT/Q900/1,1 require an external crystal or resonator?
No, the PCA8536AT/Q900/1,1 does not require an external crystal or resonator. It includes a factory-calibrated internal 230 kHz oscillator that serves as the primary clock source for both LCD timing and PWM generation. The OSCCLK pin can optionally output this clock or accept an external 9.6 kHz or 230 kHz signal, but external timing components are not mandatory for basic operation of the PCA8536AT/Q900/1,1.
How does the PCA8536AT/Q900/1,1 handle backlight LED control?
The PCA8536AT/Q900/1,1 provides six independent PWM outputs (GP0–GP5), each with 7-bit resolution (128 intensity levels), enabling precise dimming of RGB LED strings or individual white LEDs. Each channel can be configured for static drive, PWM, or LCD segment function via GPM bits. The PWM frame frequency is programmable to avoid audible noise and LCD flicker, and the internal oscillator ensures stable timing without external components.
Is the PCA8536AT/Q900/1,1 pin-compatible with the PCA8536BT/Q900/1,1?
No, the PCA8536AT/Q900/1,1 is not pin-compatible with the PCA8536BT/Q900/1,1. While both share the TSSOP56 package and core LCD/PWM functionality, their interface pins differ: PCA8536AT/Q900/1,1 uses SDA/SCL/A0 for I²C, whereas PCA8536BT/Q900/1,1 uses SDI/SCL/CE for SPI. Pin 40 is A0 on PCA8536AT/Q900/1,1 but CE on PCA8536BT/Q900/1,1; pin 42 is SDA on PCA8536AT/Q900/1,1 but SDI on PCA8536BT/Q900/1,1 - requiring PCB redesign for substitution.
What is the purpose of the OTP-refresh command in the PCA8536AT/Q900/1,1?
The OTP-refresh command reloads factory-trimmed calibration data from One-Time Programmable (OTP) memory into the PCA8536AT/Q900/1,1's timing circuitry, ensuring accurate LCD frame frequency (e.g., 200 Hz) after power-on or reset. It must be issued before enabling the display and completes within 30 ms. This command compensates for process variation and maintains timing integrity without requiring external calibration - a key requirement for automotive display consistency.
PCA8536AT/Q900/1,1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 56-TFSOP (0.240", 6.10mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Display Type:
- LED, LCD
- Configuration:
- 7 Segment + DP, 14 Segment + DP + AP, Dot Matrix
- Interface:
- I2C
- Digits or Characters:
- 20 Characters, 40 Characters, 320 Elements
- Current - Supply:
- -
- Voltage - Supply:
- 1.8V ~ 5.5V
- Operating Temperature:
- -40°C ~ 95°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 56-TSSOP
PCA8536AT/Q900/1,1 FAQ
1.How can I place an order for PCA8536AT/Q900/1,1 through Aetrix?
Please submit a Request for Quotation (RFQ) for PCA8536AT/Q900/1,1 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 PCA8536AT/Q900/1,1 reliable?
The price and inventory of PCA8536AT/Q900/1,1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PCA8536AT/Q900/1,1 is usually 5 days.
3.What payment methods are accepted for PCA8536AT/Q900/1,1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PCA8536AT/Q900/1,1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PCA8536AT/Q900/1,1?
PCA8536AT/Q900/1,1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PCA8536AT/Q900/1,1 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 PCA8536AT/Q900/1,1?
For technical support, including PCA8536AT/Q900/1,1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PCA8536AT/Q900/1,1 requirements.
6.How does Aetrix verify that PCA8536AT/Q900/1,1 is sourced from the original manufacturer or authorized distributors?
All PCA8536AT/Q900/1,1 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 PCA8536AT/Q900/1,1 meets industry standards.
7.What is the process for return or replacement of PCA8536AT/Q900/1,1?
All PCA8536AT/Q900/1,1 units undergo pre-shipment inspection (PSI). If there is an issue with PCA8536AT/Q900/1,1, 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 PCA8536AT/Q900/1,1 part is unused and in its original packaging.
Return procedure for PCA8536AT/Q900/1,1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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