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MC13892CJVL Arkusz danych(PDF) 1 Page - Freescale Semiconductor, Inc |
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MC13892CJVL Arkusz danych(HTML) 1 Page - Freescale Semiconductor, Inc |
1 / 2 page Applications • Freescale i.MX Processors • Smartbook Tablets •eBooks • Smartphones • Portable Navigation Devices • Media Phones • Ultrasound Medical Equipment • Other Embedded Hand-held Devices Overview The MC13892 is a highly integrated power management integrated circuit designed specifically for the i.MX35 and i.MX51 application processor families. It also supports the i.MX27 and i.MX37 processor families. These functions include a battery charging system for USB and wall charging, a 10 Bit ADC with a coulomb counter module for monitoring battery charge, four adjustable buck regulators for powering the processor core and memory, 12 adjustable LDOs with internal/external pass devices and a boost regulator for RGB LED drivers. MC13892 also incorporates power control logic with processor interfacing and event detection. A real time clock (RTC) function is provided, including time and day counters, as well as an alarm function. This utilizes a 32 kHz clock, either the RC oscillator or the 32.768 kHz crystal oscillator as a time base, and is powered by the coin cell backup supply. Support is also provided for an external secure real time clock (SRTC) which may be integrated on a companion system processor IC. MC13892 provides all the circuitry for a resistive touch screen interface and supports both SPI and I2C interface. All of these functions have been incorporated into a highly integrated mixed signal IC, bidirectional power management, I/O, and communications device. Performance Typical Values Operating Battery Voltage Up to 4.8 V Operating Charger Voltage Up to 5.6 V Output Voltage Of Buck Regulators 0.6 to 1.375 V @ 1.05 A (SW1) and 0.6 to 1.85 V @ 0.8 A (SW2-4) Accuracy of the LDOs +/-3 % Maximum Charging Current 1.6 A VBUS Supply Current in OTG Mode 100 mA ADC Resolution 10 bits Licell Backup Voltage 3.6 V Internal Clock Source Frequency 32.768 kHz Coulomb Counter Precision 381.47 μC Backlight LED Driver Frequency 256 Hz, 42 mA RGB LED Driver Frequency 256 Hz, 21 mA MC13892 Simplified Application Diagram 32.768 kHz Real Time Clock SRTC Support MC13892 BATTERY MANAGEMENT Single Cell Li-Ion Charging Wall / USB Charger Input OV/UV & Short-circuit Protection Coin Cell Charger Coulomb Counter 10 BIT ADC CORE General Purpose 4 BUCK REGULATORS Processor Core Split Power Domains Memory I/O 12 LDO REGULATORS Peripherals LED & BACKLIGHT DRIVERS Serial LEDs Main Display BIAS & REFERENCES Trimmed Bandgap 5V BOOST REGULATOR USB On The Go GENERAL Red Green Blue POWER CONTROL LOGIC State Machine CONTROL INTERFACE SPI / I2C Supply Resistive Touch Screen Interface I/O & OSCILLATOR LED Charging/Fault Indicator CRYSTAL PURPOSE PWM OUTPUTS Analog, Mixed Signal and Power Management MC13892 Power Management Integrated Circuit (PMIC) for the i.MX35/51 |
Podobny numer części - MC13892CJVL |
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Podobny opis - MC13892CJVL |
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