ISL9203CRZ-TR5220 Intersil, ISL9203CRZ-TR5220 Datasheet
ISL9203CRZ-TR5220
Specifications of ISL9203CRZ-TR5220
Available stocks
Related parts for ISL9203CRZ-TR5220
ISL9203CRZ-TR5220 Summary of contents
Page 1
... RANGE (°C) ISL9203CRZR5220 03CZ - ISL9203CRZ-TR5220 10 Ld 3x3 DFN Tape and Reel NOTE: Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations ...
Page 2
Absolute Maximum Ratings Supply Voltage (VIN -0 Output Pin ...
Page 3
Electrical Specifications Typical values are tested at VIN = 5V and 25°C Ambient Temperature, maximum and minimum values are guaranteed over 0°C to 70°C Ambient Temperature with a supply voltage in the range of 4.3V to 6.5V, unless otherwise noted. ...
Page 4
Typical Operating Performance 4.3 CHARGE CURRENT = 50mA 4.25 4.2 4.15 4.1 4.2 4.5 4.8 5.1 5.4 V (V) IN FIGURE 3. CHARGER OUTPUT VOLTAGE vs INPUT VOLTAGE CHARGE CURRENT IS 50mA 1.6 1.4 1.5A 1.2 1.0 1.0A 0.8 0.6 ...
Page 5
Typical Operating Performance 700 THERMAL FOLDBACK STARTS 650 NEAR 100°C 600 550 500 450 400 350 300 250 200 TEMPERATURE (°C) FIGURE TEMPERATURE AT 3.7V OUTPUT DS(ON) 1.8 1.6 1.4 1.2 1.0 0.8 ...
Page 6
Typical Operating Performance FIGURE 15. STATUS PIN VOLTAGE vs CURRENT WHEN THE OPEN-DRAIN MOSFET TURNS ON Pin Descriptions VIN (Pin1) VIN is the input power source. Connect to a wall adapter. NC (Pin 2) No connection for this pin. STATUS ...
Page 7
Typical Applications 5V WALL ADAPTER C 1 10µF Block Diagram VIN C 1 TEMPERATURE MONITORING IREF R CURRENT IREF REFERENCES I MIN I SEN EN TIME GND 7 ISL9203R5220 VIN VBAT R 1 1kΩ ISL9203R5220 D 1 VSEN STATUS V2P8 ...
Page 8
Charging Flow Chart Power Up V >V IN POR POR Initialization Reset STATUS Reset counter Trickle Charge VSEN>V N Trickle Charge EOC indication: set STATUS high N VSEN Y < V RECHRG N EN toggled ? Y EOC 8 ISL9203R5220 ...
Page 9
Theory of Operation The ISL9203R5220 is an integrated charger for single-cell Li-ion or Li-polymer batteries. The ISL9203R5220 functions as a traditional linear charger when powered with a voltage- source adapter. When powered with a current-limited adapter, the charger minimizes the ...
Page 10
... FIGURE 19. TYPICAL CHARGE CURVES USING A CURRENT- LIMITED ADAPTER 10 ISL9203R5220 ISL9203R5220. See the Application Information section of the ISL6292 data sheet (www.intersil.com) for more information. R Figure 20 illustrates the typical signal waveforms for the so that the SEN linear charger from the power- recharge cycle. More ...
Page 11
Recharge After a charge cycle completes, the charger continues to regulate the output at the constant voltage; but the STATUS pin indicates that the charging is completed. The STATUS pin stays high until the battery voltage drops to below the ...
Page 12
TABLE 3. EOC CURRENT vs R EOC CURRENT (mA) R (kΩ) MIN TYP IREF 80 70 100 100 O C FIGURE 21. CURRENT SIGNALS AT THE AMPLIFIER CA INPUT NOTE: The values in table 3 are not tested and are ...
Page 13
... The ISL9203R5220 can work with a current-limited adapter to significantly reduce the thermal dissipation during charging. Refer to the ISL6292 data sheet, which can be found at http://www.intersil.com, for more details. Board Layout Recommendations The ISL9203R5220 internal thermal foldback function limits the charge current when the internal temperature reaches approximately 100° ...
Page 14
... Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use ...