MC34704BEPR2
| Part Number | MC34704BEPR2 |
|---|---|
| Manufacturer | NXP Semiconductors |
| Category | Integrated Circuits (ICs) > Power Management (PMIC) > Power Management – Specialized |
| Description | Highly integrated 8-channel Power Management IC (PMIC) optimized for multi-rail microprocessor systems, featuring 5 internal buck switching regulators, digital sequencing control, and an I2C configuration bus in a QFN-56 exposed pad package. |
| Stock Status | In Stock |
| Origin | Original Factory |
Product Overview
Developed by NXP, the MC34704BEPR2 is a compact 8-channel PMIC built for multi-rail embedded processors, digital cameras and portable computing hardware. It integrates 5 core buck regulators to deliver 8 independent adjustable DC-DC outputs, running on a single 2.7V–5.5V input supply. Up to 2MHz high-speed PWM switching boosts power efficiency and shrinks PCB size, while the built-in hardware sequencer manages power-up/down timing and dynamic voltage scaling. All settings and fault diagnostics are accessible through standard I2C bus, with full thermal, overcurrent and overvoltage protection for portable industrial and consumer electronic systems.
Core Advantages
Highly Integrated 8-Channel Topology
Consolidates 8 independent adjustable DC-DC buck regulator channels onto a single chip, drastically dropping bill-of-materials (BOM) cost and cutting down physical PCB trace footprint requirements.
Dynamic Programmable Output Sequencing
Natively features intelligent internal power-up and power-down sequence monitoring logic, protecting sensitive system processors from latch-up failures during sudden voltage shifts.
High-Efficiency Fast Switching Loops
Leverages up to 2 MHz high-frequency PWM switching controllers to ensure optimal thermal performance, lower output ripple configurations, and enable the use of tiny surface-mount inductors.
Intelligent I2C Telemetry Configuration
Integrates an industry-standard I2C serial bus configuration link, allowing the host CPU to seamlessly alter individual channel voltages and query diagnostic status markers on the fly.
Key Specifications
| Brand | NXP Semiconductors |
|---|---|
| RoHS Status | RoHS Compliant |
| EDA/CAD Model | 3D STEP Models, Schematic Symbols, and PCB footprint configurations available upon request |
| Warranty | 1-Year Standard Quality Warranty |
| Package / Case | 56-QFN / VFQFN (7mm × 7mm × 1.1mm) |
| Pin Count | 56 Pins |
| Mounting Type | Surface Mount Technology (SMD/SMT Solder Reflow and Automated Placement) |
| Surface Marking / Silkscreen | 34704B Marking |
| Part Number Suffix Definition | R2 = 13-inch Tape & Reel packaging format for SMT mass production |
| Total Output Channels | 8 Independent DC-DC Voltage Channels (5 core buck regulators with multi-rail expandable outputs) |
| Input Voltage Rail Spectrum | Single supply input range: 2.7V to 5.5V standard lithium battery / USB power input |
| Control Interface Bus | Standard I2C Serial Communication Protocol for voltage trimming and status tracking |
| Internal Switching Frequency | Up to 2 MHz high-frequency fixed PWM architecture to optimize transient response metrics |
| Single Channel Output Current | 0.5A continuous adjustable load current per DC-DC rail |
| Output Voltage Accuracy | ±2% total DC output regulation precision across all operating conditions |
| Core Built-in Functions | Dynamic Voltage Scaling, Soft-Start Ramp Control, Independent Channel Enable Pins, Fault Interrupt Output Pin |
| System Protection Modules | Overcurrent Protection (OCP), Thermal Shutdown, Undervoltage Lockout (UVLO), Overvoltage Protection and Short-Circuit Clamping |
| Moisture Sensitivity Level (MSL) | MSL 3 (168 hours, 30°C / 60%RH) |
| Operating Temperature Range | -20°C to +85°C Commercial Grade Standard Boundaries |
| Storage Temperature Range | -65°C to +150°C Long-Term Storage Limits |
Typical Applications
- Advanced Digital Video/Still Cameras, Action Cams, and Smart Surveillance Imaging Modules
- Embedded Microprocessor Power Supplies, ARM Cortex Core Development Boards, and Single-Board Computers
- Portable Smart Medical Diagnostic Equipment, Handheld Glucose Meters, and Vital Signal Recorders
- High-Density Internet of Things (IoT) Edge Gateways, Smart Home Control Panels, and Media Players
- Industrial Sensor Aggregators, In-Vehicle Telematics Boxes, and Automation Interface Display Modules
Order & Shipping Info
| Minimum Order Quantity (MOQ) | 1 Piece |
|---|---|
| Shipping Time | Shipped within 1-2 business days |
| Delivery Time | 3-7 working days worldwide |
| Shipping Methods | DHL, UPS, FedEx, EMS |
| Payment Methods | T/T (Bank Transfer), PayPal, Credit Card, Western Union |
Technical Support
For datasheet, sample requests, stock check, or bulk pricing, please use the Quick Inquiry form. We will reply within 24 hours.
Frequently Asked Questions
Q1: Is your currently available inventory of the MC34704BEPR2 100% genuine and original?
A: Yes, we guarantee that all MC34704BEPR2 PMICs in our stock are 100% brand-new, factory-original components directly from NXP Semiconductors. Each batch passes strict incoming quality tracking inspections and is shipped in sealed, moisture-barrier anti-static packaging to ensure component pins remain completely pristine.
Q2: What does the “R2” suffix sequence mean at the tail end of the NXP part number?
A: The trailing “R2” designation specifies that this part number is supplied on a 13-inch tape-and-reel distribution packaging system. This is intended to facilitate seamless component feed integration inside high-speed automated SMT pick-and-place manufacturing lines.
Q3: Why is power-up and power-down sequencing critical for microprocessors, and how does this chip handle it?
A: Complex processors require their internal core voltage rail to stabilize before I/O memory peripheral voltage rails turn on; otherwise, fatal internal electrical latches or data initialization errors can occur. The MC34704BEPR2 features an automated onboard state sequencer that precisely controls the activation timing delays across all 8 channels automatically.
Q4: How can our technical engineering group request the software command register reference map or request a volume price quote?
A: Please enter your precise project metrics and target purchase volume into our Quick Inquiry web form found on this product page. Our dedicated embedded interface technical support desk will review your details and respond with official data assets and customized tier-pricing brackets within 24 hours.
