| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
22,600 pcs
|
22600 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
| Category | |
| Manufacturer Name | |
| Efficiency | |
| Lead Style | |
| Mounting Type | |
| Operating Temperature |
The MAX1909ETI+TG05 is a highly integrated control IC designed for accurate and efficient multichemistry battery chargers. It simplifies the construction of chargers for various battery types, including Li+, NiCd, NiMH, and Lead Acid.
Key electrical specifications include ±0.5% accurate charge voltage, ±3% accurate input current limiting, and ±5% accurate charge current. The device supports battery voltages up to 17.65V and input voltages up to 28V, with programmable charge currents exceeding 4A. High efficiency is achieved through a buck topology with synchronous rectification, offering greater than 95% efficiency.
This IC features an automatic system power selector that intelligently switches between AC adapter and battery sources based on availability. It provides analog monitoring of current drawn from the AC input and a digital output indicating AC adapter presence. The MAX1909ETI+TG05 is available in a space-saving 28-pin, 5mm x 5mm thin QFN package, suitable for applications like notebook computers and hand-held data terminals.
The operating temperature range is extended from -40°C to +85°C, ensuring reliable performance in diverse environments. The device is designed for surface mount applications.
| Qty | Low | High |
|---|---|---|
| 1+ | $1.29 | $1.29 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The MAX1909ETI+TG05 operates from -40°C to +85°C.
The charge voltage accuracy is ±0.5% over the 0°C to +85°C temperature range.
The maximum input voltage is 28V.
The efficiency is greater than 95%.
The MAX1909ETI+TG05 is available in a 28-VFQFN Exposed Pad package.