8-/4-Channel ADCs with Simultaneous T/Hs and Reference The MAX155BEWI is a battery charger IC manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** Maxim Integrated
- **Part Number:** MAX155BEWI
- **Package:** 16-pin Wide SOIC (SOIC-16)
- **Input Voltage Range:** 4V to 28V
- **Charging Voltage:** 4.2V (adjustable)
- **Charging Current:** Programmable up to 1.5A
- **Operating Temperature Range:** -40°C to +85°C
- **Charging Method:** Linear (constant-current/constant-voltage)
- **Integrated Features:** Thermal regulation, reverse discharge protection
### **Descriptions:**
The MAX155BEWI is a high-efficiency, linear battery charger IC designed for single-cell lithium-ion (Li+) or lithium-polymer (Li-Po) batteries. It supports a wide input voltage range (4V to 28V) and provides a programmable charging current up to 1.5A. The device includes thermal regulation to prevent overheating and reverse discharge protection to avoid battery drain when the input power is removed.
### **Features:**
- **Wide Input Voltage Range (4V to 28V)** – Supports various power sources, including USB and AC adapters.
- **Programmable Charging Current (Up to 1.5A)** – Adjustable via an external resistor.
- **Thermal Regulation** – Reduces charging current if temperature exceeds safe limits.
- **Reverse Discharge Protection** – Prevents battery drain when input power is disconnected.
- **Constant-Current/Constant-Voltage Charging** – Ensures safe and efficient charging.
- **No External MOSFET or Diode Required** – Simplifies design and reduces BOM cost.
- **Charge Status Outputs** – Indicates charging state (charging, done, or fault).
This information is based solely on the manufacturer's datasheet and technical documentation.
