Datasheet LTC4124 (Analog Devices) - 28
| Manufacturer | Analog Devices |
| Description | 100mA Wireless Li-Ion Charger with Low Battery Disconnect |
| Pages / Page | 28 / 28 — TYPICAL APPLICATION |
| File Format / Size | PDF / 1.9 Mb |
| Document Language | English |
TYPICAL APPLICATION
Text Version of Document
LTC4124
TYPICAL APPLICATION Up to Four LTC4124, 10mA Minimum Size Charger Receivers with a Single LTC4125 AutoResonant Transmitter
IIN RIS V 4.5V 120mΩ IN AIR GAP 8mm ±1mm TO UP TO 4x 5V 2.2k 1µF 47µF ACIN V x 2 100k CC RFTH1 R DT1 PTHM1 VSEL1 37.4k 100k LBSEL DTH IN STAT IN1 IN2 L FTH NTC TX 12µH C D RX RX PTHM SW1 68nF LTC4124 CHRG RFTH2 RPTHM2 100k 25.5k R NTC NTCTX LRX BAT 7.2µH CTX + 40.8nF DCIN RNTCRX 100k PRECHG VSEL2 GND ISEL1 ISEL2 IS– LTC4125 SW2 RIN 332Ω DT2 IS+ 4124 TA04 VIN PTH1 DC1 RFB1 PTH2 10k C L L FB1 TX: 760308104113 RX: 760308101216 EN FB 0.1µF CTX: GA0603Y393KXBAP31G CRX: GRM155R71H683KE14J 0.1µF RFB2 GRM155R72A182KA01D DRX: APG0603VGC IMON CTD CTS GND 1.87k CFB1: GRM188R72A104KA35D RNTCRX: NTCG064EF104F DC1: CDBQR70 DT1: SML-LX0603S1W-TR DT3 CIMON RIMON 680pF 10nF 15nF 54.9k DT2: BAS521-7 DT3: ADR510ARTZ RNTCTX: NTCG064EF104F
RELATED PARTS PART NUMBER DESCRIPTION COMMENTS
LTC4123 Low Power Wireless Charger for Hearing Aids Wireless NiMH Charger, Temperature Compensated Charge Voltage, 1.5V at 25°C, 25mA Charge Current, 2mm × 2mm DFN-6 Package. LTC4126 Low Power Li-Ion Wireless Charger with Step Wireless Single Cel Li-Ion Charger, Internal Temperature Qualified Charging, 4.2V at Down Regulator for Hearing Aids 25°C, 7.5mA Charge Current, Integrated High Efficiency 1.2V Regulator, 2mm × 2mm LQFN Package. LTC4070 Li-Ion/Polymer Shunt Battery Charger System Low Operating Current (450nA), 1% Float Voltage Accuracy Over Full Temperature and Shunt Current Range, 50mA Maximum Internal Shunt Current (500mA with External PFET), Pin-Selectable Float Voltages: 4.0V, 4.1V, 4.2V. Ultralow Power Pulsed NTC Float Conditioning for Li-Ion/Polymer Protection, 8-Lead 2mm × 3mm DFN and MSOP. LTC4071 Li-Ion/Polymer Shunt Battery Charger System Integrated Pack Protection, <10nA Low Battery Disconnect Protects Battery from with Low Battery Disconnect Over-Discharge. Low Operating Current (550nA), 1% Float Voltage Accuracy Over Full Temperature and Shunt Current Range, 50mA Maximum Internal Shunt Current, Pin-Selectable Float Voltages: 4.0V, 4.1V, 4.2V. Ultralow Power Pulsed NTC Float Conditioning for Li-Ion/Polymer Protection, 8-Lead 2mm × 3mm DFN and MSOP. LTC6990 TimerBlox: Voltage-Controlled Silicon Oscillator Fixed-Frequency or Voltage-Controlled Operation. LTC4125 5W AutoResonant Wireless Power Transmitter Monolithic AutoResonant™ Full Bridge Driver. Transmit Power Automatical y Adjusts to Receiver Load, Foreign Object Detection, Wide Operating Switching Frequency Range: 50kHz-250kHz, Input Voltage Range 3V to 5.5V, 20-Lead 4mm × 5mm QFN Package. LTC4120 Wireless Power Receiver and 400mA Buck Wireless 1 to 2 Cell Li-Ion Charger, 400mA Charge Current, Dynamic Harmonization Battery Charger Control, Wide Input Range: 12.5V – 40V, 3mm × 3mm QFN-16 Package. Rev. 0 28 03/19 www.analog.com For more information www.analog.com ANALOG DEVICES, INC. 2019 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts
TYPICAL APPLICATION Up to Four LTC4124, 10mA Minimum Size Charger Receivers with a Single LTC4125 AutoResonant Transmitter
IIN RIS V 4.5V 120mΩ IN AIR GAP 8mm ±1mm TO UP TO 4x 5V 2.2k 1µF 47µF ACIN V x 2 100k CC RFTH1 R DT1 PTHM1 VSEL1 37.4k 100k LBSEL DTH IN STAT IN1 IN2 L FTH NTC TX 12µH C D RX RX PTHM SW1 68nF LTC4124 CHRG RFTH2 RPTHM2 100k 25.5k R NTC NTCTX LRX BAT 7.2µH CTX + 40.8nF DCIN RNTCRX 100k PRECHG VSEL2 GND ISEL1 ISEL2 IS– LTC4125 SW2 RIN 332Ω DT2 IS+ 4124 TA04 VIN PTH1 DC1 RFB1 PTH2 10k C L L FB1 TX: 760308104113 RX: 760308101216 EN FB 0.1µF CTX: GA0603Y393KXBAP31G CRX: GRM155R71H683KE14J 0.1µF RFB2 GRM155R72A182KA01D DRX: APG0603VGC IMON CTD CTS GND 1.87k CFB1: GRM188R72A104KA35D RNTCRX: NTCG064EF104F DC1: CDBQR70 DT1: SML-LX0603S1W-TR DT3 CIMON RIMON 680pF 10nF 15nF 54.9k DT2: BAS521-7 DT3: ADR510ARTZ RNTCTX: NTCG064EF104F
RELATED PARTS PART NUMBER DESCRIPTION COMMENTS
LTC4123 Low Power Wireless Charger for Hearing Aids Wireless NiMH Charger, Temperature Compensated Charge Voltage, 1.5V at 25°C, 25mA Charge Current, 2mm × 2mm DFN-6 Package. LTC4126 Low Power Li-Ion Wireless Charger with Step Wireless Single Cel Li-Ion Charger, Internal Temperature Qualified Charging, 4.2V at Down Regulator for Hearing Aids 25°C, 7.5mA Charge Current, Integrated High Efficiency 1.2V Regulator, 2mm × 2mm LQFN Package. LTC4070 Li-Ion/Polymer Shunt Battery Charger System Low Operating Current (450nA), 1% Float Voltage Accuracy Over Full Temperature and Shunt Current Range, 50mA Maximum Internal Shunt Current (500mA with External PFET), Pin-Selectable Float Voltages: 4.0V, 4.1V, 4.2V. Ultralow Power Pulsed NTC Float Conditioning for Li-Ion/Polymer Protection, 8-Lead 2mm × 3mm DFN and MSOP. LTC4071 Li-Ion/Polymer Shunt Battery Charger System Integrated Pack Protection, <10nA Low Battery Disconnect Protects Battery from with Low Battery Disconnect Over-Discharge. Low Operating Current (550nA), 1% Float Voltage Accuracy Over Full Temperature and Shunt Current Range, 50mA Maximum Internal Shunt Current, Pin-Selectable Float Voltages: 4.0V, 4.1V, 4.2V. Ultralow Power Pulsed NTC Float Conditioning for Li-Ion/Polymer Protection, 8-Lead 2mm × 3mm DFN and MSOP. LTC6990 TimerBlox: Voltage-Controlled Silicon Oscillator Fixed-Frequency or Voltage-Controlled Operation. LTC4125 5W AutoResonant Wireless Power Transmitter Monolithic AutoResonant™ Full Bridge Driver. Transmit Power Automatical y Adjusts to Receiver Load, Foreign Object Detection, Wide Operating Switching Frequency Range: 50kHz-250kHz, Input Voltage Range 3V to 5.5V, 20-Lead 4mm × 5mm QFN Package. LTC4120 Wireless Power Receiver and 400mA Buck Wireless 1 to 2 Cell Li-Ion Charger, 400mA Charge Current, Dynamic Harmonization Battery Charger Control, Wide Input Range: 12.5V – 40V, 3mm × 3mm QFN-16 Package. Rev. 0 28 03/19 www.analog.com For more information www.analog.com ANALOG DEVICES, INC. 2019 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts
