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Renesas SLG46855-AP
- Part No.:
- SLG46855-AP
- Manufacturer:
- Renesas
- Package:
- 14-UQFN
- Datasheet:
-
SLG46855-AP.pdf
- Description:
- IC CPLD 23MC 14FCQFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,411
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Product details
Overview
SLG46855-AP from Renesas Electronics is an AEC-Q100 qualified, one-time programmable (OTP) mixed-signal matrix IC for automotive and industrial control logic. It integrates two high-speed analog comparators (ACMPxH), two low-power comparators (ACMPxL), dual voltage references (Vref), 2.048 kHz/2.048 MHz/25 MHz oscillators, and 15 combination-function macrocells - enabling custom analog-digital signal conditioning and state-machine logic in a single 14-pin FCQFN package.
For engineers reviewing the SLG46855-AP datasheet, SLG46855-AP pinout, SLG46855-AP application, or SLG46855-AP equivalent, this device supports I²C configuration, programmable delay with edge detection, deglitch filtering, analog temperature sensing, and power-on reset - all within -40 °C to +105 °C operation and 2.5 V–5 V supply range.
Technical Context
The SLG46855-AP implements a reconfigurable interconnect matrix linking 14 GPIOs to 15 combination-function macrocells and 8 multi-function macrocells. Its architecture supports concurrent analog signal processing (via four ACMPs and dual Vref outputs) and digital logic synthesis (via LUTs, DFFs, counters, and pattern generators) without external components.
Three independent oscillators provide clock sources for timing-critical functions: 2.048 kHz for low-power wake/sleep control, 2.048 MHz for medium-speed logic, and 25 MHz for high-resolution delay/counting - all with specified accuracy and power-on delay characteristics per Rev. 3.10 datasheet.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 2.5 V (±8 %) to 5 V (±10 %): Enables direct interface with 3.3 V and 5 V microcontrollers and sensors. |
| Operating Temperature | -40 °C to +105 °C: Qualified per AEC-Q100 Grade 2 for under-hood automotive use. |
| Oscillators | 2.048 kHz, 2.048 MHz, 25 MHz: Provides selectable clock domains for low-power monitoring, logic sequencing, and high-precision timing. |
| Analog Comparators | 2× ACMPxH (high-speed), 2× ACMPxL (low-power): Enables simultaneous fast response and battery-conscious threshold detection. |
| Voltage References | 2× programmable Vref outputs: Delivers stable reference voltages for comparator inputs or external ADC biasing. |
| I²C Interface | Standard-mode (100 kbit/s) and fast-mode (400 kbit/s) support: Allows in-system configuration and real-time register readback. |
| Package | FCQFN-14, 3.0 mm × 3.0 mm × 0.55 mm, 0.65 mm pitch: Supports compact, thermally efficient PCB layouts in space-constrained modules. |
Pinout & Package
SLG46855-AP is housed in a 14-pin FCQFN (Fine Pitch Chip Quad Flat No-lead) package measuring 3.0 mm × 3.0 mm × 0.55 mm with 0.65 mm pitch. The package supports solder reflow per J-STD-020 and includes exposed thermal pad for enhanced thermal dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Power Supply Input | Main supply rail (2.5–5 V); powers all internal blocks including comparators, oscillators, and macrocells. |
| GND | Ground Reference | Common return path for analog and digital sections; must be low-impedance for noise immunity. |
| SCL | I²C Clock Input | Accepts standard/fast-mode I²C clock; used during programming and runtime register access. |
| SDA | I²C Data Bidirectional | Configurable as input or open-drain output; enables communication with host controller. |
| IO0–IO11 | Programmable GPIO | 12 general-purpose pins configurable as GPI, GPO, or bidirectional GPIO with pull-up/down and drive strength options. |
| ACMP0H+, ACMP0H− | Analog Comparator Inputs | Differential inputs for high-speed comparator 0; support external sensor signal routing. |
| VREF0, VREF1 | Voltage Reference Outputs | Programmable reference outputs (e.g., 1.2 V, 1.6 V, 2.0 V) usable for comparator thresholds or external circuit biasing. |
Key Features
| Feature | Design Value |
|---|---|
| OTP NVM Configuration | One-time programmable memory enables permanent, tamper-resistant logic implementation without external firmware storage. |
| Programmable Delay + Edge Detector | Generates precise pulse widths or detects rising/falling edges with user-defined delay - eliminating discrete RC networks. |
| Wake/Sleep Controller | Automatically transitions between low-power sleep and active states using oscillator-gated timing and external wake events. |
| Analog Temperature Sensor | On-die sensor with ±3 °C accuracy over -40 °C to +105 °C enables thermal monitoring without external ICs. |
| Read Back Protection | Hardware lock prevents unauthorized readout of programmed configuration - critical for IP protection in automotive systems. |
Applications
| Infotainment System Power Sequencing | ADAS Camera Module Wake Control |
|---|---|
Use Scenario: Coordinating power-up sequence of display, audio processor, and tuner ICs in automotive head units. IC Role / Device Role / Timing Role: SLG46855-AP acts as a programmable power sequencer using its 25 MHz oscillator and 16-bit delay/counter macrocells to generate staggered enable signals. Use Value: Replaces 3–4 discrete logic ICs and RC timers; reduces BOM cost and board area while supporting AEC-Q100 reliability requirements. | Use Scenario: Managing low-power wake-up of surround-view camera modules upon vehicle door unlock or motion detection. IC Role / Device Role / Timing Role: SLG46855-AP serves as a wake controller, using its 2.048 kHz oscillator and wake/sleep macrocell to monitor GPIO interrupts and trigger system wake after programmable latency. Use Value: Achieves <1 µA sleep current and sub-100 ms wake latency - meeting OEM requirements for always-on vision systems with minimal battery drain. |
| Instrument Cluster Analog Signal Conditioning | Audio Amplifier Protection Logic |
Use Scenario: Converting analog gauge sensor outputs (e.g., fuel level, coolant temp) into digital status flags for MCU input. IC Role / Device Role / Timing Role: SLG46855-AP performs analog threshold detection using ACMPxL comparators and Vref outputs, then generates debounced digital alerts via LUT-based logic. Use Value: Eliminates need for external op-amps, comparators, and Schmitt triggers - simplifying layout and improving EMI resilience in noisy dashboard environments. | Use Scenario: Detecting speaker short-circuit, overtemperature, or DC offset conditions in Class-D audio amplifiers. IC Role / Device Role / Timing Role: SLG46855-AP monitors amplifier fault pins and analog feedback signals via ACMPxH, then asserts shutdown signal with deglitch filtering and programmable delay. Use Value: Provides sub-microsecond fault response and configurable hysteresis - preventing amplifier damage without MCU intervention or software latency. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable mixed-signal logic applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SLG46857-AP | Same architecture but adds 2 additional GPIOs (16 total) and 1 extra high-speed comparator; identical OTP, oscillators, and macrocell count. | Required when more I/O or redundant analog comparison is needed - e.g., multi-sensor fusion in ADAS ECUs. | Select SLG46857-AP only if pin count or comparator redundancy justifies higher cost and layout revision. |
| SLG46533V-AP | Lacks 25 MHz oscillator and 16-bit counter/delay; offers only 2.048 kHz/2.048 MHz clocks and 8-bit delay/counter macrocells; reduced macrocell count (12 vs. 15). | Suitable for simpler timing tasks like basic power sequencing or LED dimming - not for high-resolution delay or fast logic. | Choose SLG46533V-AP for cost-sensitive, lower-complexity designs where 25 MHz timing or extended counter resolution is unnecessary. |
Compared with SLG46857-AP, SLG46855-AP trades 2 GPIOs and 1 comparator for smaller footprint and lower unit cost - ideal for space-constrained instrument clusters. Against SLG46533V-AP, it delivers higher timing precision and broader analog-digital integration, justifying its use in advanced driver assistance subsystems.
Availability
SLG46855-AP is available at Aetrix Electronics and suitable for automotive infotainment, ADAS camera control, instrument cluster signal conditioning, and audio amplifier protection requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for SLG46855-AP 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
Renesas Electronics is a global semiconductor leader delivering trusted microcontrollers, analog power, and SoC solutions for automotive, industrial, and IoT markets.
The GreenPAK family - including SLG46855-AP - was designed to replace discrete logic, timers, and analog comparators in automotive subsystems with field-programmable, AEC-Q100 qualified mixed-signal ICs.
FAQ
What is the programming method for SLG46855-AP?
The SLG46855-AP uses one-time programmable (OTP) non-volatile memory. Programming is performed via I²C interface using Renesas' GreenPAK Designer software and a compatible programmer (e.g., SLG4DVK). Once programmed, the configuration is permanently stored and cannot be erased or rewritten - ensuring design security and repeatability in production.
Does SLG46855-AP support read-back of the programmed configuration?
SLG46855-AP supports read-back of configuration registers via I²C, but only if Read Lock is disabled during programming. When Read Lock is enabled (default for production), register read-back is blocked to prevent intellectual property exposure - a hardware-level security feature confirmed in Section 4 of the datasheet.
What are the accuracy specifications for the internal oscillators in SLG46855-AP?
The SLG46855-AP specifies oscillator accuracy as follows: 2.048 kHz (±5 %), 2.048 MHz (±2 %), and 25 MHz (±2 %) over -40 °C to +105 °C and full VDD range. These values are measured per Section 3.9 of the datasheet and apply to all production units qualified under AEC-Q100.
Can SLG46855-AP operate as a standalone timing controller without a host MCU?
Yes - SLG46855-AP can function autonomously using its internal oscillators, programmable delay/counter macrocells, and wake/sleep controller. It requires no external clock or host processor to execute pre-programmed logic, making it suitable for "set-and-forget" timing and monitoring tasks in automotive modules.
Is SLG46855-AP pin-compatible with other GreenPAK devices?
No - SLG46855-AP is not pin-compatible with other GreenPAK variants. Its 14-pin FCQFN layout and specific pin assignments (e.g., dedicated ACMP inputs, Vref outputs, and I²C pins) are unique to this part number. Migration to SLG46857-AP or SLG46533V-AP requires PCB redesign due to differing pin counts and signal allocations.
SLG46855-AP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 14-UQFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Programmable Type:
- OTP
- Delay Time tpd(1) Max:
- -
- Voltage Supply - Internal:
- 2.3V ~ 5.5V
- Number of Logic Elements/Blocks:
- -
- Number of Macrocells:
- 23
- Number of Gates:
- -
- Number of I/O:
- 10
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- 14-FCQFN (3x3)
SLG46855-AP FAQ
1.How can I place an order for SLG46855-AP through Aetrix?
Please submit a Request for Quotation (RFQ) for SLG46855-AP 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 SLG46855-AP reliable?
The price and inventory of SLG46855-AP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SLG46855-AP is usually 5 days.
3.What payment methods are accepted for SLG46855-AP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SLG46855-AP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SLG46855-AP?
SLG46855-AP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SLG46855-AP 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 SLG46855-AP?
For technical support, including SLG46855-AP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SLG46855-AP requirements.
6.How does Aetrix verify that SLG46855-AP is sourced from the original manufacturer or authorized distributors?
All SLG46855-AP 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 SLG46855-AP meets industry standards.
7.What is the process for return or replacement of SLG46855-AP?
All SLG46855-AP units undergo pre-shipment inspection (PSI). If there is an issue with SLG46855-AP, 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 SLG46855-AP part is unused and in its original packaging.
Return procedure for SLG46855-AP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SLG46855-AP Tags
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