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Value/Description
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Product Overview
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CI13242
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High-performance neural network AI voice chip, integrated with BNPU V3.5 and rich peripherals, optimized for offline voice interaction in industrial and consumer electronics.
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Core Technology
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Brain Neural Processing Unit (BNPU)
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– BNPU V3.5 architecture supporting DNN/TDNN/RNN/CNN networks for voice recognition and noise cancellation.- 210MHz 32-bit RISC CPU with DSP extension, enabling complex algorithm execution.
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Memory Configuration
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– 2MB embedded Flash for offline model storage.- 288KB SRAM for real-time data processing.- 256bit eFuse for application encryption.
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Power Management
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– Built-in PMU with dual LDOs (3.3V/1.1V output).- Wide supply voltage range: 3.6V~5.5V, no external power chip required.
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Key Features
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Voice Functionality
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– Offline voice recognition: 97% accuracy within 10m, 0.2s response time.- Supports up to 300 command words and dual languages (Chinese/English).- Single-microphone noise cancellation & echo elimination.
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Peripheral Interfaces
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– 3x UART (up to 3Mbps, 5V-tolerant for direct communication).- 1x I2C, 4x PWM (for lighting/motor control).- 13x GPIOs (7x 5V-tolerant, 20MHz toggle frequency, interrupt-configurable).
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Audio Processing
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– High-performance Audio Codec (ADC/DAC SNR ≥95dB).- Supports 8kHz~48kHz sampling rates & Automatic Level Control (ALC).
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Reliability & Compliance
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Environmental Performance
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– Industrial-grade operating temperature: -40°C to +85°C.- ESD protection: 4kV contact discharge (IEC 61000-4-2).- MSL3 moisture sensitivity rating.
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Certifications
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– FCC (EMC compliance), RoHS/REACH (environmental standards).
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Application & Compatibility
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Target Scenarios
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– Smart home appliances (ACs, fans, lighting).- Industrial control panels & automotive auxiliary systems.- Wearable devices, toys, and low-power IoT terminals.
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Hardware Compatibility
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– Works with 3.3V/5V electronic systems (no level shifter needed for 5V GPIOs/UART).- Supports external crystal or internal RC oscillator.
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Specifications
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Power Consumption
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– Monitoring mode: ~25mA (5V supply).- Active operation: ~35mA.- Audio playback: ~65mA (typical volume).
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Physical Attributes
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– SSOP24 package (8.6mm×6mm×1.75mm).- Lead-free, RoHS-compliant materials.
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Commercial & Development Value
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Cost Efficiency
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– All-in-one design reduces BOM cost by 30% vs. discrete solutions.- Minimal external components (only resistors/capacitors required).
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Development Support
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– Complete SDK with pre-trained models & application examples.- Online firmware platform for 48-hour rapid prototyping.- UART-based firmware upgrade & protection.
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Company Introduction
Shenzhen Merrillchip Electronics Co., Ltd. We specialize in providing one-stop integrated manufacturing services for customers in industries such as automotive electronics, medical electronics, and industrial automation.
We have multiple certifications, including ISO 14001, ISO 9001, and IATF 16949 system certifications, to ensure that product quality meets the highest standards. OEM SMT patch, dip plug-in, post welding, testing, assembly and packaging process. In addition, we also provide OEM, OEM, ODM, PCB PCBA as well as electronic components and other services to ensure that we provide you with original chip samples and high-quality electronic components procurement services!
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