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DS2711Z+T Datasheet(PDF) 4 Page - Maxim Integrated Products |
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DS2711Z+T Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 15 page DS2711/DS2712: Loose-Cell NiMH Chargers 4 of 15 PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Charge Timer Accuracy RTMR = 100kΩ -5 +5 % Charge Timer Range tCTMR-RANGE 0.5 10 Hours ELECTRICAL CHARACTERISTICS: TIMING (continued) (4.0V ≤ V DD ≤ 5.5V, TA = -20°C to +70°C, unless otherwise noted.) Note 1: Voltages relative to VSS. Note 2: IMTST current is applied as a source current and as a sink current within 5ms after power-up. Note 3: When operating in two-cell-series charge configuration, the DMSEL pin must have less than 50pF of external load capacitance for proper operation. If the load capacitance is greater than 50pF, a resistor voltage-divider should be used to maintain DMSEL at VDD/2. Note 4: Specification applicable during charge cycle with TA = 0°C to +70°C. Note 5: VBAT-MAX1 and VBAT-MAX1 are generated from the same reference. Their ranges never overlap. Note 6: VTHM-MIN, VTHM-MAX, and VTHM-STOP are fixed ratios of VDD. Their ranges never overlap. Note 7: Tested with ICSOUT = -1mA. Note 8: Gain tested with 1mV step with ICSOUT = -1mA. Figure 1. Block Diagram State Machine Voltage and Temperature Measurement Charge Timer BIAS VP1 CC2 LED1 TMR VDD VSS LED2 VP2 THM1 THM2 Cell Test CTST CC1 CSOUT 0.125V DMSEL SUSPEND 3.7V UVLO Oscillator + - VN0 Presence Test Pre-Charge Fast Charge & Cell Tests Top-Off Charge Maintenance Charge Charge Mode Select VN1 IPTST IPTST 0.1V DS2712 DS2711 |
Similar Part No. - DS2711Z+T |
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