MAX8903AETI+ Maxim Integrated Products, MAX8903AETI+ Datasheet
MAX8903AETI+
Specifications of MAX8903AETI+
Related parts for MAX8903AETI+
MAX8903AETI+ Summary of contents
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... Automatic Adapter/USB/Battery Switchover to Support Load Transients 50mΩ System-to-Battery Switch Supports USB Spec o Thermistor Monitor o Integrated Current-Sense Resistor o No External MOSFETs or Diodes o 4.1V to 16V Input Operating Voltage Range PART MAX8903AETI+T MAX8903BETI+T MAX8903CETI+T MAX8903DETI+T MAX8903EETI+T MAX8903GETI+T MAX8903YETI+T** + Denotes a lead(Pb)-free/RoHS-compliant package Exposed pad. ...
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Li+ DC-DC Chargers for USB and Adapter Power ABSOLUTE MAXIMUM RATINGS DC GND .......................................................-0.3V to +20V DCM to GND ..............................................-0. SYS .................................................................-6V to +20V BST to GND ...........................................................-0.3V to +26V BST TO ...
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Li+ DC-DC Chargers for USB ELECTRICAL CHARACTERISTICS (continued 5V 4V, circuit of Figure USB BAT (Note 1) PARAMETER No valid USB input DC Soft-Start Time Valid USB input before ...
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Li+ DC-DC Chargers for USB and Adapter Power ELECTRICAL CHARACTERISTICS (continued 5V 4V, circuit of Figure USB BAT (Note 1) PARAMETER BATTERY CHARGER BAT Regulation Voltage I BAT (V ...
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Li+ DC-DC Chargers for USB ELECTRICAL CHARACTERISTICS (continued 5V 4V, circuit of Figure USB BAT (Note 1) PARAMETER THERMISTOR MONITOR THM Threshold, Hot When charging is suspended, 1% hysteresis ...
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Li+ DC-DC Chargers for USB and Adapter Power ELECTRICAL CHARACTERISTICS (continued 5V 4V, circuit of Figure USB BAT (Note 1) PARAMETER VL Output Voltage UVLO Threshold ...
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Li+ DC-DC Chargers for USB (T = +25°C, unless otherwise noted.) A MAX8903G SWITCHING FREQUENCY vs 1.6 1.4 1.2 1.0 0 BAT 0.6 BAT 0 1.2kI 0.2 ISET ...
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Li+ DC-DC Chargers for USB and Adapter Power (T = +25°C, unless otherwise noted.) A NORMALIZED CHARGE CURRENT vs. AMBIENT TEMPERATURE 1.015 USB BAT 1.010 1.005 1.000 0.995 0.990 0.985 -40 -15 ...
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Li+ DC-DC Chargers for USB (T = +25°C, unless otherwise noted.) A CHARGE PROFILE—1400mAh BATTERY USB INPUT—500mA CHARGE MAX8903A toc18 5.0 4.5 4.0 3.5 V BAT 3.0 2.5 I BAT 2.0 1.5 1.0 MAX8903A/MAX8903B/MAX8903C I SET TO 500mA ...
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Li+ DC-DC Chargers for USB and Adapter Power (T = +25°C, unless otherwise noted CONNECT WITH NO USB (R = 25Ω) SYS 3.84V 3.6V V SYS 3.44V 3.6V V BAT SYS CHARGING CHARGING ...
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Li+ DC-DC Chargers for USB (T = +25°C, unless otherwise noted.) A USB DISCONNECT WITH 25Ω) SYS MAX8903A toc26 3.6V 2V/div V SYS 5V/div V USB 5V 475mA 500mA/div I USB I BAT -330mA ...
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Li+ DC-DC Chargers for USB and Adapter Power PIN NAME Charge Current Set Input. A resistor (R 13 ISET The prequal charge current is 10% of the fast-charge current. Charger Enable Input. Connect CEN to GND to enable ...
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Li+ DC-DC Chargers for USB PG DC POWER MANAGEMENT DC AC ADAPTER PWR OK STEP-DOWN REGULATOR DOK USB POWER USB MANAGEMENT USB PWR CURRENT- OK LIMITED VOLTAGE UOK REGULATOR INPUT LIMIT DCM DC MODE IUSB 500mA INPUT AND ...
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Li+ DC-DC Chargers for USB and Adapter Power C DC 4.7μF ADAPTER C BST 0.1μF L1 1μH USB VBUS C USB 4.7μF GND TO DC OFF CHARGE ON 500mA 100mA USB SUSPEND C CT 0.15μF Figure 2. Typical ...
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Li+ DC-DC Chargers for USB C DC 4.7μF VBUS BST 0.1μF ID GND L1 1μH 499kΩ USB DC MODE ADAPTER OFF CHARGE ON 500mA 100mA USB SUSPEND C 0.15μF Figure 3. Typical Application Circuit Using ...
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Li+ DC-DC Chargers for USB and Adapter Power Table 1. External Components List for Figures 2 and 3 COMPONENT FUNCTION (FIGURES 2 AND Input filter capacitor DC USB C VL filter capacitor VL C ...
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Li+ DC-DC Chargers for USB cannot be driven to a voltage higher than DC. The circuit of Figure 3 shows a simple MOSFET and resistor on DCM to prevent any current from flowing from DCM through the internal ...
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Li+ DC-DC Chargers for USB and Adapter Power Table 2. Input Limiter Control Logic DOK POWER SOURCE AC Adapter at DC Input L L USB Power at DC Input USB Power at USB Input, DC ...
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Li+ DC-DC Chargers for USB again as long as the SYS load current is less than the set current limit. When the charger is turned on, the charge current ramps from 0A to the ISET current value in ...
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Li+ DC-DC Chargers for USB and Adapter Power V < 180mV BAT BATPQ RESET TIMER ANY CHARGING STATE THM OK THM NOT OK TIMER RESUME TIMER SUSPEND TEMPERATURE SUSPEND I = 0mA CHG UOK OR DOK ...
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Li+ DC-DC Chargers for USB CEN THERMISTOR CIRCUITRY R TB ALTERNATE THERMISTOR CONNECTION Figure 7. Thermistor Monitor Circuitry Table 3. Fault Temperatures for Different Thermistors Thermistor β (K) 3000 3250 ...
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Li+ DC-DC Chargers for USB and Adapter Power where: = The resistance in Ω of the thermistor at tempera ture T in Celsius = The resistance in Ω of the thermistor at +25° β ...
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Li+ DC-DC Chargers for USB the current-mode regulator to provide a low-jitter, stable duty factor operation, the inductor ripple current should be greater than 200mA in the minimum ripple current condition. The maximum allowed output inductance L is ...
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Li+ DC-DC Chargers for USB and Adapter Power Example 4.5V 5.5V, V DC(MIN) DC(MAX 4.2V 3kΩ 0.2, I SYS(MAX) IDC imum step-down output current) From (1 ...
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Li+ DC-DC Chargers for USB The MAX8903_ is available in several options designat the first letter following the root part number. The basic architecture and functionality of the MAX8903A–MAX8903E/MAX8903G/MAX8903Y are the Table 7. Selector Guide PARAMETER ...
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Li+ DC-DC Chargers for USB and Adapter Power Pin Configuration TOP VIEW CHG 22 SYS 23 24 SYS MAX8903A– 25 MAX8903E CS MAX8903G 26 CS MAX8903Y ...
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Li+ DC-DC Chargers for USB For the latest package outline information and land patterns www.maxim-ic.com/packages. Note that a “+”, “#”, or “-” in the package code indicates RoHS status only. Package drawings may show a different ...
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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. 28 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2010 Maxim Integrated Products ...