MAX8671XETL+T Maxim Integrated Products, MAX8671XETL+T Datasheet
MAX8671XETL+T
Specifications of MAX8671XETL+T
Related parts for MAX8671XETL+T
MAX8671XETL+T Summary of contents
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... Portable Audio Players GPS Portable Navigators Smart Power Selector is a trademark of Maxim Integrated Products, Inc. ________________________________________________________________ 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. ♦ 16V-Tolerant USB and DC Inputs ♦ Automatically Powers from External Power or Battery ♦ ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices Tables Table 1. Input Limiter Control Logic . . . . . . . . . . . . . . . . . . . . . . ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices ABSOLUTE MAXIMUM RATINGS USB, DC, PEN1 to AGND.......................................-0.3V to +16V SYS, BAT, PV1, PV2, PV3 to AGND..........................-0.3V to +6V PG1, PG2, PG3, AGND .........................................-0.3V to +0.3V PV1, PV2, PV3 ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices ELECTRICAL CHARACTERISTICS (continued) (DC, USB, BVSET, UOK, DOK, LX_ unconnected 3.3V 0V, C PEN1 PEN2 PWM OUT4 R = 3kΩ ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices ELECTRICAL CHARACTERISTICS (continued) (DC, USB, BVSET, UOK, DOK, LX_ unconnected 3.3V 0V, C PEN1 PEN2 PWM OUT4 R = 3kΩ ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices ELECTRICAL CHARACTERISTICS (continued) (DC, USB, BVSET, UOK, DOK, LX_ unconnected 3.3V 0V, C PEN1 PEN2 PWM OUT4 R = 3kΩ ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices ELECTRICAL CHARACTERISTICS (continued) (DC, USB, BVSET, UOK, DOK, LX_ unconnected 3.3V 0V, C PEN1 PEN2 PWM OUT4 R = 3kΩ ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices ELECTRICAL CHARACTERISTICS (continued) (DC, USB, BVSET, UOK, DOK, LX_ unconnected 3.3V 0V, C PEN1 PEN2 PWM OUT4 R = 3kΩ ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices ELECTRICAL CHARACTERISTICS (continued) (DC, USB, BVSET, UOK, DOK, LX_ unconnected 3.3V 0V, C PEN1 PEN2 PWM OUT4 R = 3kΩ ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices ELECTRICAL CHARACTERISTICS (continued) (DC, USB, BVSET, UOK, DOK, LX_ unconnected 3.3V 0V, C PEN1 PEN2 PWM OUT4 R = 3kΩ ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices ELECTRICAL CHARACTERISTICS (continued) (DC, USB, BVSET, UOK, DOK, LX_ unconnected 3.3V 0V, C PEN1 PEN2 PWM OUT4 R = 3kΩ ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices (Circuit of Figure 0mA +25°C, unless otherwise noted QUIESCENT CURRENT vs USB SUPPLY VOLTAGE 1.6 CHARGER ENABLED 1.4 NO BATTERY ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices (Circuit of Figure 0mA +25°C, unless otherwise noted CHARGE CURRENT vs. BATTERY VOLTAGE WITH USB INPUT 500 V = 5.0V USB 450 ...
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Smart Power Selector for Handheld Devices (Circuit of Figure 0mA +25°C, unless otherwise noted USB CONNECT (NO SYS LOAD) MAX8671X toc14 V 5V/div USB 500mA/div I USB 4.14V 4.0V 2V/div V SYS V ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices (Circuit of Figure 0mA +25°C, unless otherwise noted AC-TO-DC ADAPTER CONNECT WITH USB MAX8671X toc19 V 4.14V 4.0V SYS 5V/div 1A 500mA/div ...
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Smart Power Selector for Handheld Devices (Circuit of Figure 0mA REG1 EFFICIENCY vs. LOAD CURRENT 100 90 80 PWM = 2.8V OUT1 PWM = 1 V ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices (Circuit of Figure 0mA +25°C, unless otherwise noted REG2 EFFICIENCY vs. LOAD CURRENT 100 PWM = ...
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Smart Power Selector for Handheld Devices (Circuit of Figure 0mA REG4 LOAD REGULATION 2.554 R = 316kΩ FBH 2.552 R = 100kΩ FBL 2.550 2.548 2.546 2.544 2.542 2.540 2.538 2.536 ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices PIN NAME USB Suspend Digital Input. As shown in Table 1, driving USUS high suspends the DC or USB inputs 1 USUS if they are configured as a USB ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices PIN NAME 23 LX1 Inductor Switching Node for REG1. LX1 is internally pulled to PG1 by 1kΩ in shutdown. 24 PG1 Power Ground for the REG1 Step-Down Regulator 25 ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices AC-TO-DC ADAPTER VBUS 3.3V 3mA VL 1.8V 180mA OUT4 121kΩ 2.2μF 60.4kΩ 3.3V 180mA OUT5 274kΩ 2.2μF 60.4kΩ ON OFF IO μP 4x 560kΩ 5% Figure 1. MAX8671X Typical ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices DC DOK DISET PEN1 PEN2 USUS UOK USB HIGHEST VOLTAGE SELECTOR VL AGND PV4 OUT4 FB4 BP PV5 OUT5 FB5 EN PWM Figure 2. Functional Diagram ______________________________________________________________________________________ Li+/Li-Poly BATTERY ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices Detailed Description The MAX8671X highly integrated PMIC is ideally suited for use in portable audio player and handheld applica- tions. As shown in Figure 2, the MAX8671X integrates USB ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices with a single power input to operate from either an AC- to-DC adapter or USB host (see Table 1). A thermal-limiting circuit reduces the battery charger rate and external ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices USB Power-OK Output (UOK) As shown Figure 3, the USB power-OK output (UOK active-low open-drain output. The UOK output pulls low when the voltage from USB to ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices To support common 500mA to 1000mA wall adapters at the DC input, pull PEN1 high. With PEN1 pulled high, the DC current limit is set by an external resistor ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices DC V DCL 4.0V RISING (TYP) 500mV HYST V DCH 6.9V RISING (TYP) 400mV HYST Figure 5. DC Power-OK Logic Figure 6 shows the typical Li+/Li-Poly charge profile for ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices PREQUALIFICATION V BATREG V BATPRQ I CHGMAX HIGH-Z LOW Figure 6. Li+/Li-Poly Charge Profile ______________________________________________________________________________________ FAST-CHARGE FAST-CHARGE (CONSTANT CURRENT) (CONSTANT VOLTAGE) CST[1: ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices 1. 2000 CHGMAX R CISET THERMISTOR SUSPEND I = 0mA CHG THM OUT OF RANGE CST[1: SUSPENDS TIMER UOK AND/OR DOK = 1 ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices Table 3. Charge Status Outputs CST1 CST2 CHARGING 0 0 Yes Note: CST1 and CST2 are active-low, open-drain outputs. “0” ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices Table 5. Ideal Charge Currents vs. Charge Setting Resistor R (kΩ) I (mA) I CISET CHGMAX PQ 3.01 1000 4.02 746 4.99 601 6.04 497 6.98 430 8.06 372 ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices The MAX8671X uses external resistor-dividers to set the step-down output voltages between 1V and V least 10µA of bias current in these dividers to ensure no change in the ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices Step-Down Inductor Choose the step-down regulator inductance to be 4.7µH. The minimum recommended saturation current requirement is 600mA. In PWM mode, the peak induc- tor currents are equal to ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices TO FIND THE MAXIMUM OUTPUT CURRENT FOR REG WITH V ± = Ω AND R 130 OUT = ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices SYS SYSOK 2.5V FALLING 100mV HYST PV4 PV4OK 1.6V RISING 100mV HYST PV5 PV5OK 1.6V RISING 100mV HYST USB USBOVLO 6.9V RISING 400mV HYST USBUVLO 4.0V RISING 500mV HYST ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices USB SYS BAT OUT1 V OUT2 t SS3 V OUT3 V OUT4 V OUT5 HIGH-Z V UOK HIGH-Z V ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices Active Discharge in Shutdown Each MAX8671X regulator (REG1–REG5) has an inter- nal 1kΩ resistor that discharges the output capacitor when the regulator is off. The discharge resistors ensure that ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices Overvoltage lockout (OVLO) prevents an input supply from being used when its voltage exceeds the operat- ing range. Both USB and DC withstand input voltages up to 14V. When ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices Table 8. Trip Temperatures for Different Thermistors THERMISTOR BETA (ß [K]) R (kΩ (kΩ (kΩ) TS Resistance at +25°C [kΩ] Resistance at +50°C [kΩ] Resistance ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices THM threshold adjustment can be accommodated by changing R , connecting a resistor in series and/ parallel with the thermistor, or using a thermistor with dif- ferent ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices Pin Configuration TOP VIEW CISET THM BAT 34 35 SYS MAX8671X 36 PEN1 CST2 37 38 ...
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PMIC with Integrated Charger and Smart Power Selector for Handheld Devices (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages.) ______________________________________________________________________________________ Package Information 43 ...
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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. 44 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2007 Maxim Integrated Products Package Information (continued registered trademark of Maxim Integrated Products ...