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NXP Semiconductors PCA8536BT/Q900/1,1
- Part No.:
- PCA8536BT/Q900/1,1
- Manufacturer:
- NXP Semiconductors
- Category:
- Display Drivers
- Package:
- 56-TFSOP (0.240", 6.10mm Width)
- Datasheet:
-
PCA8536BT/Q900/1,1.pdf
- Description:
- IC DRVR 7 SEGMENT 56TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,701
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Product details
Overview
PCA8536BT/Q900/1,1 from NXP Semiconductors is an automotive-grade LCD controller/driver with integrated 6-channel PWM backlight generator for low-multiplex-rate displays. It supports 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 5 MHz SPI interface. It is used in instrument cluster and climate control displays requiring flicker-free LED backlighting.
For engineers reviewing the PCA8536BT/Q900/1,1 datasheet, PCA8536BT/Q900/1,1 pinout, PCA8536BT/Q900/1,1 application, or PCA8536BT/Q900/1,1 equivalent, this page delivers verified technical context, validated pin functions, confirmed automotive AEC-Q100 compliance, exact TSSOP56 package mapping, and two documented drop-in alternatives per NXP PCN202102010F01.
Technical Context
The PCA8536BT/Q900/1,1 implements a dedicated SPI-bus interface (5 MHz max) with CE, SCL, and SDI pins - distinct from the I²C variant PCA8536AT. Its internal architecture integrates a programmable LCD frame generator (60–300 Hz, factory-calibrated), a 7-bit PWM controller (128 steps per channel), and configurable backplane drive (4/6/8 mux) with selectable bias (1/2, 1/3, 1/4).
It features dual power domains (VDD/VLCD), backplane swapping (BPS bit), line/frame inversion modes (INV bit), and power-down mode (PD bit) that disables the oscillator while retaining static GPO states. All timing derives from either internal 230 kHz oscillator or external clock applied to OSCCLK, with PWM requiring 230 kHz input regardless of LCD clock source.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Interface | SPI-bus (5 MHz max); CE, SCL, SDI pins - no I²C compatibility |
| LCD Drive Capacity | Up to 8 backplanes, 44 segments, 320 elements - supports 40×7-seg or 20×14-seg alphanumeric displays |
| PWM Channels | 6 independent outputs with 7-bit resolution (128 levels); enables dual RGB backlight control (2M+ colors) |
| Supply Ranges | VDD: 1.8 V–5.5 V; VLCD: 2.5 V–9.0 V - supports both low-threshold and high-threshold TN LCDs |
| Frame Frequency | Programmable 60–300 Hz in 10 Hz steps; factory-calibrated; avoids visible backlight flicker |
| Operating Temperature | −40 °C to +95 °C - qualified per AEC-Q100 Grade 2 for automotive cabin applications |
| Package | TSSOP56 (SOT364-1); 6.1 mm body width; lead pitch 0.5 mm |
Pinout & Package
TSSOP56 plastic thin shrink small outline package (SOT364-1), 56-pin, 0.5 mm pitch, 6.1 mm body width. Pin functions are specific to PCA8536BT variant and differ from PCA8536AT (e.g., CE replaces A0; SDI replaces SDA).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1–11, 20–31, 48–56, 54–56[1] | LCD segment output (S0–S43) | Drives display segments; S0/GP0–S5/GP5 configurable as GPO/PWM |
| 12–19, 32–39 | LCD backplane output (BP0–BP7) or segment (context-dependent) | Backplane assignment swaps based on BPS bit; enables flexible PCB routing |
| 40 | CE (chip enable) | Active-low SPI select; distinguishes PCA8536BT from I²C variant |
| 41 | SCL (SPI serial clock) | 5 MHz max clock input; not shared with I²C SCL function |
| 42 | SDI (SPI data input) | Serial command/data input; replaces bidirectional SDA of I²C version |
| 43 | RESET | Active-low asynchronous reset; initiates 1 ms chip-wide initialization |
| 44 | VSS | Digital ground reference for logic and display circuitry |
| 45 | VDD | Digital supply (1.8–5.5 V); powers core logic and interface |
| 46 | OSCCLK | Configurable: internal oscillator output (230 kHz) or external clock input (9.6/230 kHz) |
| 47 | VLCD | LCD bias supply (2.5–9.0 V); must be ≥ VDD; powers LCD driver outputs |
[1] Pin numbering follows Figure 4 (PCA8536BT TSSOP56 top view). Segment pin assignments vary with backplane swap (BPS) configuration.
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 2 qualification | Validated for −40 °C to +95 °C operation in automotive cabin environments (e.g., radio, climate control) |
| Configurable LCD multiplexing | Selectable 4/6/8 backplane drive (M[1:0] bits) - matches diverse LCD panel architectures without hardware change |
| Independent PWM frame control | Separate 4-bit programmable PWM frame frequency (FP[3:0]) - decouples backlight timing from LCD refresh |
| Backplane swapping (BPS) | Reassigns BPx/Sxx pin locations to simplify single-layer PCB routing - no display content impact when set pre-enable |
| Static GPO capability | S0/GP0–S5/GP5 pins retain programmable logic state (0/1) during power-down - enables fail-safe LED or indicator control |
| OTP-refresh calibration | One-time programmable cells store factory-trimmed frame frequency accuracy - ensures ±5 % LCD timing stability over life |
Applications
| Car Radio Display | Climate Control Panel |
|---|---|
|
Use Scenario: Driving information and audio status shown on segmented LCD in center console. IC Role / Device Role / Timing Role: Primary LCD controller driving 40×7-segment display; PWM channels dim RGB backlight based on ambient light sensor input. Use Value: 60–300 Hz programmable frame rate eliminates flicker at all brightness levels; AEC-Q100 ensures reliability across thermal cycling. |
Use Scenario: HVAC settings and temperature readouts on dashboard-mounted LCD. IC Role / Device Role / Timing Role: Dual-role device: drives 20×14-segment alphanumeric display and controls 6-channel white LED backlight with 128-step dimming. Use Value: Independent PWM frame frequency prevents audible noise from backlight modulation; 2.5–9.0 V VLCD range supports legacy and modern TN panels. |
| Dash Board Instrument Cluster | Automotive Infotainment Status Bar |
|
Use Scenario: Secondary display showing speed, gear, and warning icons adjacent to main TFT. IC Role / Device Role / Timing Role: Dedicated segment driver offloading microcontroller; uses line inversion (INV=0) for optimal RMS voltage control on analog gauges. Use Value: Backplane swapping (BPS) simplifies trace routing on compact 2-layer PCB; power-down mode reduces quiescent current to <1 µA when display inactive. |
Use Scenario: Slim status bar below infotainment screen indicating connectivity, audio source, and battery level. IC Role / Device Role / Timing Role: SPI interface enables deterministic command timing from host MCU; 320-bit RAM stores full display bitmap with auto-increment addressing. Use Value: 5 MHz SPI bandwidth allows full display update in <6.4 ms; separate VDD/VLCD domains prevent logic noise from coupling into sensitive analog LCD bias. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LCD controller/driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| PCA8536BT/Q900/1Y | Identical functionality and pinout; dry pack packaging (moisture-sensitive device handling) | Same automotive temperature range and AEC-Q100 compliance; intended for high-reliability production lines | Select PCA8536BT/Q900/1Y for volume manufacturing with JEDEC J-STD-020-compliant reflow profiles |
| PCF8576DT/1,118 | Also SPI-based, but limited to 4 backplanes/32 segments; no integrated PWM generator - requires external LED drivers | Targeted at simpler monochrome displays without dynamic backlight control; lower pin count (TSSOP48) | Choose PCF8576DT/1,118 only if display size ≤ 128 elements and backlight is managed externally |
Compared with PCA8536BT/Q900/1,1, the /1Y variant offers identical electrical and timing behavior with enhanced moisture protection, while PCF8576DT/1,118 sacrifices PWM integration and drive capacity for cost reduction in less demanding displays.
Availability
PCA8536BT/Q900/1,1 is available at Aetrix Electronics and suitable for car radio, climate control, and dashboard display applications requiring stable component supply across automotive production lifecycles.
Supply support for PCA8536BT/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 microcontrollers and display interfaces.
The PCA8536 product line delivers integrated LCD control and LED backlight management for automotive cabin displays, designed specifically to meet AEC-Q100 requirements and reduce system-level component count in cost-sensitive instrument clusters.
FAQ
What interface does PCA8536BT/Q900/1,1 use, and is it compatible with I²C?
PCA8536BT/Q900/1,1 uses a dedicated 5 MHz SPI interface with CE, SCL, and SDI pins - it is not I²C-compatible. The I²C variant is PCA8536AT/Q900/1,1, which uses A0, SCL, and SDA. Mixing firmware or hardware between BT and AT variants will cause communication failure. PCA8536BT/Q900/1,1 requires SPI master initialization with proper CE assertion timing per Section 8.2 of the datasheet.
Does PCA8536BT/Q900/1,1 support PWM backlight control, and how many channels are available?
Yes, PCA8536BT/Q900/1,1 integrates six independent PWM channels (S0/GP0–S5/GP5), each with 7-bit resolution (128 intensity levels). This enables precise dimming of RGB LED backlights - supporting over 2 million colors when paired as two RGB controllers. PWM frame frequency is separately programmable (FP[3:0]) to avoid audible noise or LCD interference, and each channel can also operate in static GPO mode.
What is the maximum LCD size supported by PCA8536BT/Q900/1,1?
PCA8536BT/Q900/1,1 supports LCDs with up to eight backplanes and 44 segments, totaling 320 display elements. This accommodates configurations such as 40 alphanumeric 7-segment characters, 20 alphanumeric 14-segment characters, or custom graphic layouts up to 320 pixels. The actual physical layout depends on selected multiplex mode (4/6/8 backplanes) and bias configuration (1/2, 1/3, or 1/4), all software-configurable via command registers.
Is PCA8536BT/Q900/1,1 qualified for automotive applications?
Yes, PCA8536BT/Q900/1,1 is AEC-Q100 qualified (Grade 2) for operation from −40 °C to +95 °C, making it suitable for automotive cabin applications including car radio, climate control, and dashboard displays. Its design includes robust ESD protection, extended temperature validation, and OTP-trimmed timing accuracy - all documented in NXP's official qualification report PCN202102010F01.
What package type and pin count does PCA8536BT/Q900/1,1 use?
PCA8536BT/Q900/1,1 is housed in a TSSOP56 package (SOT364-1) with 56 leads, 0.5 mm pitch, and 6.1 mm body width. Pin functions are defined in Figure 4 and Table 3 of the datasheet, with key distinctions from the I²C variant - notably CE (pin 40) instead of A0, and SDI (pin 42) instead of SDA. Mechanical dimensions and soldering profiles comply with JEDEC MO-153.
PCA8536BT/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:
- SPI
- 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
PCA8536BT/Q900/1,1 FAQ
1.How can I place an order for PCA8536BT/Q900/1,1 through Aetrix?
Please submit a Request for Quotation (RFQ) for PCA8536BT/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 PCA8536BT/Q900/1,1 reliable?
The price and inventory of PCA8536BT/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 PCA8536BT/Q900/1,1 is usually 5 days.
3.What payment methods are accepted for PCA8536BT/Q900/1,1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PCA8536BT/Q900/1,1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PCA8536BT/Q900/1,1?
PCA8536BT/Q900/1,1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PCA8536BT/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 PCA8536BT/Q900/1,1?
For technical support, including PCA8536BT/Q900/1,1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PCA8536BT/Q900/1,1 requirements.
6.How does Aetrix verify that PCA8536BT/Q900/1,1 is sourced from the original manufacturer or authorized distributors?
All PCA8536BT/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 PCA8536BT/Q900/1,1 meets industry standards.
7.What is the process for return or replacement of PCA8536BT/Q900/1,1?
All PCA8536BT/Q900/1,1 units undergo pre-shipment inspection (PSI). If there is an issue with PCA8536BT/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 PCA8536BT/Q900/1,1 part is unused and in its original packaging.
Return procedure for PCA8536BT/Q900/1,1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PCA8536BT/Q900/1,1 Tags
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PCA8561AHN/AY
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SN74LS47N
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PCF85176T/1Y
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AS1115-BSST
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