Details, datasheet, quote on part number: MAX14748EWW+
PartMAX14748EWW+
Category
TitleBattery Management USB Type-C Charger 2s Li-ion Batteries
Description
CompanyIntegra Technologies
DatasheetDownload MAX14748EWW+ datasheet
  
MAX14748EWW+ photo

Others parts numbering
MAX14748EVKIT#: Power Management IC Development Tools Evkit for 2 cell Boo

 

Features, Applications

The MAX14748 USB battery charger integrates a charger detector, boost/buck converter, and Li+ battery charger with smart power selector to provide fast and safe charging of 2s Li+ battery packs. The MAX14748 provides support for devices functioning as a UFP/DRP per the USB Type-C 1.1 standard, while also providing detection of legacy USB Battery Charging Specification, Revision 1.2 (BC1.2) compliant chargers in addition to other nonstandard chargers. The programmable Automatic Input Current Limiting (AICL) feature ensures that maximum safe current is drawn from the charging adapter. The Li+ charger includes an automatic Smart Power SelectorTM to simultaneously charge the battery and provide power to the system load. The Smart Power Selector function will supplement the system power with the battery if power from the charging adapter is insufficient. The Li+ charger features JEITA thermal monitoring and charger voltage/current reduction or charger disable. The MAX14748 is available 54-bump, 0.4mm pitch, x 0.64mm wafer-level package (WLP) and operates over the to +85C extended temperature range.

Minimize Power Management Footprint Through High Integration 13m (typ) Integrated Battery To System Switch Thermal Current Limiting DC-DC Converter with Boost and Reverse Buck High Efficiency 92% in Boost Mode at 1A Output Current and 7.4V Battery Voltage 94% in Reverse Buck Mode at 500mA Output Internal USB Switch for USB D+/D- Data Lines Easy-to-Implement Li+ Battery Charging Charges 2s Li-Ion Batteries from Legacy 5V USB Adapters 15W Input Power with 3A Type-C Adapter 7.5W Input Power with DCP Adapter 1A System/Charge Current From DCP Adapter 2A System/Charge Current From 3A Type-C Adapter USB Type-C Specification, Rev 1.1 Support UFP/DRP Operation VCONN and Super-Speed Multiplexer Logic Controls Non-Standard DCP Detection USB Battery Charging Specification, Rev 1.2 Compliant Automatic Input Current Limit (AICL) Power Management Support Weak/Dead Batteries Detection Smart Power Selector Thermistor Monitor Various Protection Features 28V Integrated Overvoltage Protection JEITA Charge Protection 15kV ESD Protection on USB Adapter Pins

Applications
Digital Imaging (DSC, DVC) Wireless Speakers Handheld Barcode Readers
Smart Power Selector is a trademark of Maxim Integrated Products, Inc.

Voltages Referenced to GND to +16V SYS to +12V BAT, to +12V BYP to +0.3V BYP, THM, INT, SYSOK, FLTIN, FSUS, LED, SDA, to 6V COMP, SET........................................... -0.3V to VCCINT CC1, CC2, TDN, TDP, CDN, CDP, CC2, in fault mode through to +6V VTPU (VTPU-TPU switch open)........... -0.3V to VCCINT + 0.3V TPU (VTPU-TPU switch 6 or VTPU + 0.3V VTPU, TPU Maximum Current (VTPU-TPU switch closed)....................... BVCEN...................................................-0.3V to VCCINT + 0.3V SFOUT, VCCINT, BREG........ -0.3V to min ((VCHGIN LX..............................................................-0.3V to VSYS to +30V AGND, DGND, PGND, to +0.3V Continuous Current into CHGIN, SYS....................................................................+6.4A BAT..................................................................................+4.8A Any Other Terminal......................................................+100mA Continuous Power Dissipation (multilayer board x 6 Array 2.77mm 0.4mm Pitch WLP (derate 24.46mW/C)..................................................1.957W Operating Temperature Range........................... to +85C Junction Temperature.................................................... +150C Storage Temperature Range............................ to +150C Lead Temperature (soldering, 10s)............................... +300C Soldering Temperature (reflow)..................................... +260C

Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer board. For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial.

(VBAT to +85C, all registers in their default state, unless otherwise noted. Typical values are at VCHGIN = 5.0V, VBAT =7.4V, VSYS = VBATREG, = +25C.) PARAMETER SUPPLY CURRENT BAT Supply Current IBAT VCHGIN 0V or Floating, Type-C detection active Low Power mode VCHGIN TA +25C, ChgEn = 0 VCHGIN TA +25C, Suspend Mode (FSUS = High) A mA SYMBOL CONDITIONS MIN TYP MAX UNITS

CHGIN TO BYP PATH Allowed CHGIN Input Voltage Range CHGIN Detect Threshold CHGIN Overvoltage Threshold VCHGIN_RNG VBDET VBDET_F VOVP VOVP_F VOVP_H Rising Falling Rising Falling Hysteresis mV

(VBAT to +85C, all registers in their default state, unless otherwise noted. Typical values are at VCHGIN = 5.0V, VBAT =7.4V, VSYS = VBATREG, = +25C.) PARAMETER CHGIN-BYP Resistance CHGIN-BYP Soft-Start Timeout CHGIN-BYP Soft-Start Current CHGIN-BYP Soft-Start End Comparator CHGIN-BYP Overload Comparator Input Current Limit Input Current Limit Programming Range Input Current Limit Programming Step INTERNAL SUPPLIES Internal VCCINT Regulator Boost Regulator BREG VCCINT UVLO Threshold VCCINT UVLO Threshold Hysteresis BAT UVLO Threshold BAT UVLO Hysteresis VCCINT VBREG VUVLO VUVLO_HYS VBATUVLO VBATUVLO_H SfOutLvl = 1, VCHGIN = 6V, ISFOUT = 0 SFOUT LDO Voltage VSFOUT SfOutLvl = 1, VCHGIN = 6V, ISFOUT = 15mA SfOutLvl = 0, VCHGIN = 6V, ISFOUT = 0 SfOutLvl = 0, VCHGIN = 6V, ISFOUT = 15mA SFOUT Maximum Current ISFOUT_MAX 5.0 3.15 VCCINT rising VCCINT falling Hysteresis Rising 3.1 3.0 VCHGIN = 5V, boost off V mV SYMBOL RCHGIN_BYP tBYP_SFTTO CONDITIONS VCHGIN 5V If VBYP has not reached within 50mV of VCHGIN at timeout, a fault is flagged by SysFlt of register 0x02. MIN TYP 45 MAX UNITS mW

IBYP_SFT VBYP_SFTEND VBYP_OVL = 00100 ILIM = 11101 ILIM_RNG ILIM_STEP 15 290

 

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