Product Summary

The MAX1908ETI is a low-cost multichemistry battery charger. It uses analog inputs to control charge current and voltage, and can be programmed by the host or hardwired. The MAX1908ETI achieve high efficiency using a buck topology with synchronous rectification. Its applications include Notebook and Subnotebook Computers, Personal Digital Assistants, Hand-Held Terminals.

Parametrics

MAX1908ETI absolute maximum ratings: (1)BST to LX: -0.3 to VBST+0.3V; (2)Continuous power dissipation: 1666.7W; (3)LDO, SHDN to GND: -0.3 to 6V; (4)operating temperature range: -40 to 85°C; (5)junction temperature: 150°C; (6)lead temperature: 300°C.

Features

MAX1908ETI features: (1)0.5% output voltage accuracy using internal reference; (2)±4% Accurate Input Current Limiting; (3)±5% Accurate Charge Current; (4)Analog Inputs Control Charge Current and Charge Voltage; (5)Outputs for Monitoring; (6)Up to 17.6V Battery-Voltage Set Point; (7)Maximum 28V Input Voltage; (8)>95% Efficiency; (9)Shutdown Control Input.

Diagrams

MAX1908ETI operating circuit

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
MAX1908ETI
MAX1908ETI
Maxim Integrated Products
Battery Management
Data Sheet
Negotiable 
MAX1908ETI+
MAX1908ETI+
Maxim Integrated Products
Battery Management Multichemistry Battery Chargers
Data Sheet
0-1: $8.88
1-25: $5.96
25-50: $4.32
50-100: $4.27
MAX1908ETI+T
MAX1908ETI+T
Maxim Integrated Products
Battery Management Multichemistry Battery Chargers
Data Sheet
0-2083: $3.63
2083-2500: $3.63
MAX1908ETI-T
MAX1908ETI-T
Maxim Integrated Products
Battery Management
Data Sheet
Negotiable