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MAX1758EAI
+BOMIC BATT CHG LI-ION 1-4CEL 28SSOP
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Nhà sản xuấtAnalog Devices Inc./Maxim tích hợp
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Ông. Phần #MAX1758EAI
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Có sẵn2414
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Part Status | Active |
| Battery Chemistry | Lithium Ion |
| Number of Cells | 1 ~ 4 |
| Current - Charging | Constant - Programmable |
| Programmable Features | Timer |
| Charge Current - Max | 1.5A |
| Battery Pack Voltage | 19V (Max) |
| Voltage - Supply (Max) | 28V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 28-SSOP (0.209", 5.30mm Width) |
| Supplier Device Package | 28-SSOP |
| Base Product Number | MAX1758 |
Tổng quan
Description
Key features include a low quiescent current for improved battery life, a built-in soft-start function to minimize inrush current, and thermal protection mechanisms to prevent overheating. Additionally, the MAX1758EAI is equipped with a frequency compensation circuit, enabling stable operation across various load conditions. Its compact package and low external component count make it ideal for space-constrained applications.
Overall, the MAX1758EAI is a reliable choice for designers seeking an efficient power solution with a balance of performance, flexibility, and ease of integration.
Equivalent
Features
1. Wide Input Voltage Range: Accepts input voltages from 4.5V to 60V, making it suitable for a range of power sources.
2. Output Voltage: Adjustable output voltage from 0.8V to 30V, allowing flexibility for different requirements.
3. High Efficiency: Efficiency up to 95%, which helps minimize heat generation and improves battery life in portable applications.
4. Current Limit: Features a current limit function to protect against overcurrent conditions.
5. Switching Frequency: Fixed or adjustable switching frequency options (up to 1 MHz) for optimized performance and reduced component size.
6. Thermal Shutdown: Integrated thermal protection to safeguard the device from overheating.
7. Packages: Available in compact packages, including a 16-pin TQFN for space-constrained designs.
These features make the MAX1758EAI ideal for automotive, industrial, and consumer applications requiring efficient power management.
Pinout
Key functions of the pins include:
1. VIN - Input voltage supply.
2. GND - Ground reference.
3. SW - Switch node for connecting to the inductor.
4. VOUT - Output voltage node.
5. COMP - Compensation node for loop stability.
6. FB - Feedback pin for voltage regulation.
7. EN - Enable pin to control the operation.
8. SS - Soft-start pin to manage startup time.
9. PGND - Power ground for high current paths.
10. MODE - Mode selection for operation (PWM/PMW).
11. ISEN - Current sense pin for overcurrent protection.
12. FREQ - Frequency setting pin.
13. NC - No connection pins, typically for layout flexibility.
14. CSEL - Capacitor selection pin for output capacitor type.
These functions allow the MAX1758EAI to efficiently regulate output voltage and manage power conversion tasks in various applications.
Manufacturer
Application
1. Portable Devices: Used in battery-powered equipment for efficient power conversion.
2. Telecommunications: Powers communication devices and infrastructure with stable voltage.
3. Industrial Equipment: Supplies regulated voltage for automation and control systems.
4. Automotive: Powers infotainment and navigation systems.
5. Consumer Electronics: Used in devices like laptops and tablets for power supply regulation.
Its wide input voltage range and high efficiency make it suitable for various applications requiring reliable and compact power solutions.