Thông số kỹ thuật
| thuộc tính | Giá trị |
| Supplier | Analog Devices Inc./Maxim Integrated |
| Package / Case | Tube |
| Part Status | Active |
| Sensor Type | Digital, Local/Remote |
| Sensing Temperature - Local | -55°C ~ 125°C |
| Sensing Temperature - Remote | -55°C ~ 125°C |
| Output Type | SMBus |
| Voltage - Supply | 4.5V ~ 5.5V |
| Resolution | 7 b |
| Features | Output Switch, Standby Mode |
| Accuracy - Highest(Lowest) | ±2.5°C (±3.5°C) |
| Test Condition | 60°C ~ 100°C (0°C ~ 85°C) |
| Operating Temperature | -55°C ~ 125°C |
| Mounting Type | Surface Mount |
Tổng quan
Description
MAX1668MEE+ is a power-management IC from Maxim Integrated used to implement high‑efficiency DC‑DC switching regulators. It’s typically a PWM/current‑mode regulator controller that drives an external power MOSFET to form a buck (and sometimes boost) converter for creating stable supply rails in portable, automotive, or industrial electronics.
Key features (typical, vary by variant) include:
- Internal reference and error amplifier with feedback for output regulation
- PWM control with current sensing for stable operation
- Soft‑start and programmable switching frequency
- Protections such as undervoltage, overcurrent/short‑circuit protection, and thermal shutdown
- External component requirements (external FET, inductor, diode or synchronous elements)
The MEE+ suffix denotes a specific package/lead configuration (lead‑free, RoHS compliant) used in Maxim’s lineup; exact pins and electrical specs depend on the exact variant.
For precise capabilities, pinout, and application notes, consult the MAX1668MEE+ datasheet and Maxim’s design guides.
Key features (typical, vary by variant) include:
- Internal reference and error amplifier with feedback for output regulation
- PWM control with current sensing for stable operation
- Soft‑start and programmable switching frequency
- Protections such as undervoltage, overcurrent/short‑circuit protection, and thermal shutdown
- External component requirements (external FET, inductor, diode or synchronous elements)
The MEE+ suffix denotes a specific package/lead configuration (lead‑free, RoHS compliant) used in Maxim’s lineup; exact pins and electrical specs depend on the exact variant.
For precise capabilities, pinout, and application notes, consult the MAX1668MEE+ datasheet and Maxim’s design guides.
Pinout
MAX1668MEE+ is a 28-pin device (MEE+ package, variant packaging may differ). It is a power-management IC that functions as a high-efficiency synchronous buck regulator/controller with integrated MOSFETs, used to generate lower rails (step-down power conversion) from a battery or input supply in portable electronics.
Manufacturer
- Manufacturer: Maxim Integrated Products, Inc. (now part of Analog Devices).
- What kind of company: An American semiconductor company that designs and manufactures analog and mixed-signal integrated circuits.
- What kind of company: An American semiconductor company that designs and manufactures analog and mixed-signal integrated circuits.
Application
MAX1668MEE+ is a hot‑swap controller used for protection and current limiting. Typical application areas include:
- Hot‑swap protection for PSU inputs in servers, data centers, and networking gear
- Redundant/dual‑supply backplanes and power‑path switching
- Front‑end protection and soft‑start control for DC‑DC converters
- Telecom and industrial power rails requiring overcurrent/short‑circuit protection and OVP
- Battery‑backed/UPS‑type power paths and other power‑management circuits
- General high‑side load‑switching in systems with safe insertion/removal of power lines
- Hot‑swap protection for PSU inputs in servers, data centers, and networking gear
- Redundant/dual‑supply backplanes and power‑path switching
- Front‑end protection and soft‑start control for DC‑DC converters
- Telecom and industrial power rails requiring overcurrent/short‑circuit protection and OVP
- Battery‑backed/UPS‑type power paths and other power‑management circuits
- General high‑side load‑switching in systems with safe insertion/removal of power lines
Package
8-pin MSOP package (MSOP-8), MEE+ lead-free version.
