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MAX155ACPI+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX155ACPI+

Manufacturer: MAXIM, MAXIM/DALLAS

High-Speed, 8-Channel, 8-Bit ADC with Simultaneous Track/Holds and Reference

Partnumber Manufacturer Quantity Availability
MAX155ACPI+,MAX155ACPI MAXIM, MAXIM/DALLAS 42 In Stock

Description and Introduction

High-Speed, 8-Channel, 8-Bit ADC with Simultaneous Track/Holds and Reference The **MAX155ACPI+** is a lithium-ion battery charger IC manufactured by **Maxim Integrated (now part of Analog Devices)**. Below are its key specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Maxim Integrated (formerly Dallas Semiconductor)  
- **Package:** 8-pin PDIP (Plastic Dual In-Line Package)  
- **Input Voltage Range:** 4.5V to 12V  
- **Charge Voltage:** 4.2V ±1% (adjustable)  
- **Charge Current:** Programmable up to 1A  
- **Operating Temperature Range:** -40°C to +85°C  
- **Charge Termination:** Automatic (based on current threshold)  
- **Battery Types Supported:** Single-cell Li-ion or Li-polymer  

### **Descriptions:**
- The **MAX155ACPI+** is a linear battery charger designed for single-cell lithium-ion (Li-ion) or lithium-polymer (Li-poly) batteries.  
- It integrates a power MOSFET, eliminating the need for an external blocking diode.  
- The IC features thermal regulation to prevent overheating during charging.  
- It supports both USB and AC adapter power sources with automatic input selection.  

### **Features:**
- **Automatic Power Source Selection** – Switches between USB and AC adapter inputs.  
- **Programmable Charge Current** – Adjustable via an external resistor.  
- **Thermal Regulation** – Reduces charge current if temperature exceeds safe limits.  
- **Charge Status Outputs** – Open-drain outputs indicate charging, power-good, and fault conditions.  
- **Low Battery Leakage** – Minimizes battery drain when power is off.  
- **No External MOSFET or Blocking Diode Required** – Integrated power FET simplifies design.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

High-Speed, 8-Channel, 8-Bit ADC with Simultaneous Track/Holds and Reference

Alternative Part Number

  • AD7820KNZ --: Pin-compatible 8-bit ADC with similar conversion architecture and DIP package, widely available as a direct functional substitute.
  • ADC0804LCN --: Classic 8-bit successive-approximation ADC in DIP package with comparable sampling performance and interface, easy drop-in for many designs.
  • TLC0820ACN --: 8-bit ADC with similar speed and parallel interface in DIP package, suitable alternative when exact MAXIM part is unavailable.
  • AD7874ANZ --: Pin-compatible 8-channel 12-bit ADC with similar sampling rate and parallel interface, widely available as a direct functional substitute.
  • LTC1290CN --: 8-channel 12-bit serial ADC offering comparable accuracy and conversion speed, suitable for applications needing a MAX155 replacement.
  • ADC128S102CIMT --: 8-channel 12-bit ADC with similar resolution and throughput, a cost-effective alternative for general-purpose data acquisition designs.

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