DS2710G+T&R Maxim Integrated Products, DS2710G+T&R Datasheet
DS2710G+T&R
Specifications of DS2710G+T&R
Related parts for DS2710G+T&R
DS2710G+T&R Summary of contents
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... DS2710 THM VN0 VN1 SENSE GROUND ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. Single-Cell NiMH Charger ♦ Charges Single-Cell NiMH Cells ♦ Switch-Mode Topologies Supported by Hysteretic Control Technique ♦ ...
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Single-Cell NiMH Charger ABSOLUTE MAXIMUM RATINGS Voltage Range on All Pins Relative Continuous Source/Sink Current CS ...................................20mA Continuous Source Current STATUS ..................................10mA Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. ...
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DC ELECTRICAL CHARACTERISTICS (continued) (4.0V ≤ V ≤ 5.5V -20°C to +70°C, unless otherwise noted PARAMETER SYMBOL Cold Temperature Detect V THM-MIN Threshold Hot Temperature No-Start V THM-MAX Threshold Hot Temperature Safety V THM-STOP Shutdown Threshold ...
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Single-Cell NiMH Charger PIN NAME 1 V Device Ground. Connects directly to the negative terminal of the charge source Charge Source. Feedback control for switching circuitry. Power-Supply Input. Connects to the positive terminal of the charge source ...
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Detailed Description Charge Algorithm Overview The DS2710 controls switch-mode topology charging of a single NiMH cell from a voltage-regulated charge source. The IC is reset in one of two ways: with the application of power to the DS2710 or after ...
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Single-Cell NiMH Charger R > R TMR (ASYNCHRONOUSLY FROM ANYWHERE) V < UVLO UHYS (ASYNCHRONOUSLY FROM ANYWHERE) t < t PCHG AND V < 1.0V CELL V CELL T < +50°C t < FAST TIMEOUT t ...
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MAINTENANCE state any time during FAST- CHARGE the cell voltage exceeds V DS2710 determines that the cell is either overcharged or has been removed, and enters the FAULT state. CELL TEST is performed once every 31s during ...
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Single-Cell NiMH Charger Charge-Current Regulation The DS2710 regulates charge current by maintaining a constant average voltage across an external sense resistor connected between the VN1 and VN0 pins. VN1 and VN0 drive an internal comparator in the DS2710 to switch ...
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TOP-OFF complete normally if the cell temperature remains below this threshold. Used with a 10kΩ resistor, the Semitec 103AT-2 pro- vides approximately 0.9% full scale-per-degree sensi- tivity. Figure 4 shows this linearity curve. The left axis is the ratio of ...
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Single-Cell NiMH Charger Timeout Selection FAST-CHARGE state normally operates until -ΔV termi- nation. In the event that termination does not occur cor- rectly, a safety timeout is required. This timeout is set by an external resistor on the TMR pin ...
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R1 150Ω R4 10kΩ C1 1μF RT1 103AT-2 GROUND (USB-) Figure 5. Typical Application Circuit for USB Port Charging Referring to the example circuit and layout of Figure 6, the loop labeled as Loop1 encompassing ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 12 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2008 Maxim Integrated Products ...