FAN5400_11 FAIRCHILD [Fairchild Semiconductor], FAN5400_11 Datasheet
FAN5400_11
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FAN5400_11 Summary of contents
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FAN5400 / FAN5401 / FAN5402 / FAN5403 / FAN5404 / FAN5405 USB-Compliant Single-Cell Li-Ion Switching Charger with USB-OTG Boost Regulator Features Fully Integrated, High-Efficiency Charger for Single-Cell Li-Ion and Li-Polymer Battery Packs Faster Charging than Linear 0.5% ...
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Ordering Information Part Number Temperature Range FAN5400UCX -40 to 85°C FAN5401UCX -40 to 85°C FAN5402UCX -40 to 85°C FAN5403UCX -40 to 85°C FAN5404UCX -40 to 85°C FAN5405UCX -40 to 85°C Table 1. Feature Comparison Summary Part Slave PN Bits: Number ...
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Block Diagram VBUS C IN1 PMID Q1A Greater than VBAT ON Less than VBAT OFF © 2009 Fairchild Semiconductor Corporation FAN5400 Family • Rev. 1.0.7 Figure 2. IC and System Block Diagram PMID Q3 CHARGE PUMP Q1 Q1A CSIN Q1B ...
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Pin Configuration Top View Pin Definitions Pin # Name Part # Description Charger Input Voltage and USB-OTG output voltage. Bypass with a 1F capacitor to ...
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Absolute Maximum Ratings Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure ...
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Electrical Specifications Unless otherwise specified: according to the circuit of Figure 1; recommended operating temperature range for T V =5.0V; HZ_MODE; OPA_MODE=0; (Charge Mode); SCL, SDA, OTG=0 or 1.8V; and typical values are for T BUS Symbol Parameter Power Supplies ...
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Electrical Specifications Unless otherwise specified: according to the circuit of Figure 1; recommended operating temperature range for T V =5.0V; HZ_MODE; OPA_MODE=0; (Charge Mode); SCL, SDA, OTG=0 or 1.8V; and typical values are for T BUS Symbol Parameter Input Power ...
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Electrical Specifications Unless otherwise specified: according to the circuit of Figure 1; recommended operating temperature range for T V =5.0V; HZ_MODE; OPA_MODE=0; (Charge Mode); SCL, SDA, OTG=0 or 1.8V; and typical values are for T BUS Symbol Parameter Boost Mode ...
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I C Timing Specifications Guaranteed by design. Symbol Parameter f SCL Clock Frequency SCL Bus-Free Time between STOP t BUF and START Conditions START or Repeated START t HD;STA Hold Time t SCL LOW Period LOW t SCL HIGH ...
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I C Timing Specifications Guaranteed by design. Symbol Parameter t SDA Fall Time FDA t Stop Condition Setup Time SU;STO C Capacitive Load for SDA, SCL B Timing Diagrams t F SDA HIGH SCL t LOW ...
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Charge Mode Typical Characteristics Unless otherwise specified, circuit of Figure 1, V 180 160 140 120 100 5.5VBUS 5.0VBUS 20 4.5VBUS - 2.5 3 3.5 Battery Voltage, V Figure 7. Battery Charge Current vs =100mA ...
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Charge Mode Typical Characteristics Unless otherwise specified, circuit of Figure 1, V Figure 13. AutoCharge Startup with 300mA Limited Charger / Adaptor, I =500mA, OTG=1, V INLIM Figure 15. Battery Removal / Insertion during Charging, V =3.9V, I =950mA, No ...
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Charge Mode Typical Characteristics Unless otherwise specified, circuit of Figure 1, V Figure 17. No Battery at V Power-up; FAN5400, FAN5403 Figure 18. No Battery at V BUS 200 150 -30C +25C +85C 100 50 0 4.0 4.5 5.0 Input ...
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Boost Mode Typical Characteristics Unless otherwise specified, using circuit of Figure 1, V 100 100 150 V Load Current (mA) BUS Figure 21. Efficiency vs. V 5.12 5.09 5.06 5.03 5.00 4.97 4.94 ...
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Boost Mode Typical Characteristics Unless otherwise specified, using circuit of Figure 1, V Figure 27. Boost PWM Waveform 100 150 V Load Current (mA) BUS Figure 29. Output Ripple vs. V ...
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Boost Mode Typical Characteristics Unless otherwise specified, using circuit of Figure 1, V Figure 31. Startup, 3.6V , 44 Load, Additional 10µF, BAT X5R Across V Figure 33. Load Transient, 5-155-5mA, t © 2009 Fairchild Semiconductor Corporation FAN5400 Family • ...
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Circuit Description / Overview When charging batteries with a current-limited input source, such as USB, a switching charger’s high efficiency over a wide range of output voltages minimizes charging time. FAN540X combines a highly integrated synchronous buck regulator for charging ...
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Table 3. OREG Bits (OREG[7:2]) vs. Charger Float Voltage OREG Decimal Hex VOREG Decimal Hex VOREG 3.62 ...
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PWM Controller in Charge Mode The IC uses a current-mode PWM controller to regulate the output voltage and battery charge currents. The synchronous rectifier (Q2) has a negative current limit that turns off Q2 at 140mA to prevent current flow ...
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Flow Charts © 2009 Fairchild Semiconductor Corporation FAN5400 Family • Rev. 1.0.7 Figure 37. Charger VBUS POR 20 www.fairchildsemi.com ...
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CHARGE STATE YES V < V BAT SHORT NO PWM Charging VBUS OK? YES Indicate Charging NO Disable Charging Timeout? Indicate VBUS Fault I OUT NO Termination enabled V BAT Stop Charging Enable IDET for T © 2009 Fairchild Semiconductor ...
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Fairchild Semiconductor Corporation FAN5400 Family • Rev. 1.0.7 Figure 39. Charge Configuration Figure 40. HZ-State 22 www.fairchildsemi.com ...
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Charge Start Start T 15MIN T 15MIN Active? Figure 41. Timer Flow Chart for FAN5400, FAN5402, FAN5403, FAN5405 Reset T 32SEC YES Figure 42. Timer Flow Chart for FAN5401, FAN5404 © 2009 Fairchild Semiconductor Corporation FAN5400 Family • Rev. 1.0.7 ...
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Special Charger FAN5403-05 Only The FAN5403, FAN5404, and FAN5405 have additional functionality to limit input current in case a current-limited “special charger” is supplying VBUS. The FAN5403-05 slowly increases the charging current until either: reached ...
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Additional data points, measured using the FAN540X JA evaluation board, are given in Table 11 (measured with T =25°C). Note that as power dissipation increases, the A effective decreases due to the larger difference between JA the die ...
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During the initial system startup, while the charger IC is being programmed, the system current is limited to 325mA for 1ms during steps 4 and 5. This is the value of the soft- start I current used when I CHARGE ...
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Boost Mode Boost Mode can be enabled if the 32-Second Mode with the OTG pin and OPA_MODE bits as indicated in Table 16. The OTG pin ACTIVE state OTG_PL=1 and 0 when OTG_PL=0. If ...
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BST State This is the normal operating mode of the regulator. The regulator uses a minimum t -minimum t OFF scheme. The minimum t is proportional to OFF keeps the regulator’s switching frequency reasonably constant in CCM proportional ...
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Table 19. MONITOR Register Bit Definitions BIT# NAME MONITOR Address 10H V – V CSIN BAT 7 ITERM_CMP V – V CSIN BAT V < V BAT SHORT 6 VBAT_CMP V < V BAT LOWV V < UVLO BAT 5 ...
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I C Interface The FAN540X’s serial interface is compatible with Standard, Fast, Fast Plus, and High-Speed specifications. The FAN540X’s SCL line is an input and its SDA line is a bi-directional open-drain output; it can only pull down the ...
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Read and Write Transactions The figures below outline the sequences for data read and write. Bus control is signified by the shading of the packet, Master Drives Bus defined as and All addresses and data 7 bits S Slave Address ...
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Register Descriptions The FAN5400-FAN5402 have seven user-accessible registers; the FAN5403-05 have an additional two registers, as defined in Table 22. 2 Table 22 Register Address IC ALL FAN5403-FAN5405 ALL Table 23. Register Bit Definitions This table defines the ...
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Table 23. Register Bit Definitions Bit Name Value Type CONTROL1 7:6 I R/W INLIM 00 R/W 01 5:4 V LOWV R R R/W 1 HZ_MODE 1 0 R/W 0 ...
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Table 23. Register Bit Definitions SP_CHARGER (FAN5403 – FAN5405) 7 Reserved 0 R DIS_VREG 1 0 R/W 5 IO_LEVEL EN_LEVEL 1 2:0 VSP Table 8 R/W SAFETY (FAN5403 – FAN5405) 7 ...
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PCB Layout Recommendations Bypass capacitors should be placed as close to the IC as possible. In particular, the total loop length for CMID should be minimized to reduce overshoot and ringing on the SW, PMID, and VBUS pins. All power ...
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Physical Dimensions BALL A1 E INDEX AREA 0. TOP VIEW 0. SEATING PLANE D 1.20 0.40 1.60 0. BOTTOM VIEW Figure 52. 20-Ball WLCSP, 4X5 Array, 0.4mm Pitch, 250µm Ball Product-Specific Dimensions ...
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Fairchild Semiconductor Corporation FAN5400 Family • Rev. 1.0.7 37 www.fairchildsemi.com ...