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MAXIM INTEGRATED / ANALOG DEVICES MAX1909ETIT Multichemistry Battery Charger
The MAX1909ETI+T from Maxim Integrated Products is a fully integrated multichemistry battery charger with automatic system power selection, housed in a 28-pin TQFN package. It simplifies the design of accurate and efficient battery chargers for various chemistries, including Li+, NiCd, NiMH, and lead acid. The device employs a buck topology with synchronous rectification to achieve high efficiency. It features programmable maximum current draw from the AC adapter to prevent overload during simultaneous load and charging. The MAX1909 provides a digital output indicating AC adapter presence and an analog output monitoring the input current. It automatically selects the appropriate power source by controlling external P-channel MOSFETs based on AC adapter status, making it ideal for applications like notebooks, subnotebooks, and handheld data terminals. The charger offers precise measurement for safety and performance, with ±0.5% accuracy in charge voltage over an operating temperature range of 0°C to +85°C. It supports charge voltages up to 17.65V, input voltages up to 28V, and charge currents exceeding 4A with over 95% efficiency. Features include conditioning charge, automatic power source selection, analogue control inputs for adjusting charge parameters, and operation over temperatures from -40°C to +85°C. Programming can be done via host MCU or hardwired controls, providing a flexible solution for various portable electronic devices.
MAXIM INTEGRATED / ANALOG DEVICES MAX1909ETIT Multichemistry Battery Charger Specifications:
- Package: 28-pin TQFN (5mm x 5mm)
- Battery Chemistry: Li+, NiCd, NiMH, Lead Acid
- Max Battery Voltage: Up to 17.65V
- Input Voltage Range: 8V to 28V
- Charge Current: Programmable >4A
- Charge Voltage Accuracy: ±0.5% (0°C to +85°C)
- Efficiency: Greater than 95%
- Operating Temperature Range: -40°C to +85°C
- Charge Voltage Programming: VCTL up to 3.6V
- Discharge and Conditioning: Supported
- Overvoltage Lockout: Yes
- Automatic Power Source Selection: Yes
- Monitoring: Analog current and digital presence indicators
- Application: Notebook, subnotebook, handheld terminals
Buy the Buy Maxim MAX1909ETIT Online
Purchase the MAX1909ETI+T multichemistry battery charger online today to ensure reliable, precise, and efficient charging for various battery chemistries. This high-performance charger, housed in a compact 28-pin TQFN package, delivers programmable charge currents exceeding 4A and voltage regulation accuracy of ±0.5%. Its automatic power source selection and conditioning cycle capabilities enhance safety and battery longevity. Ideal for portable electronics like notebooks and handheld devices, this charger operates over a wide temperature range with over 95% efficiency, making it an optimal choice for modern applications demanding reliable and flexible charging solutions.
Order your Maxim Series MAX1909ETIT today and give your portable projects the dependable, high-efficiency battery charging performance they deserve.
Frequently Asked Questions
Where can I buy MAXIM INTEGRATED / ANALOG DEVICES MAX1909ETIT?
You can click on the BUY or RFQ button to purchase MAX1909ETIT from an authorized MAXIM INTEGRATED / ANALOG DEVICES distributor.
How do I troubleshoot issues or seek technical support for part MAX1909ETIT?
You can download the MAX1909ETIT datasheet or visit the MAXIM INTEGRATED / ANALOG DEVICES website for support.
Who is the manufacturer of MAX1909ETIT?
MAXIM INTEGRATED / ANALOG DEVICES