RT9516 RICHTEK [Richtek Technology Corporation], RT9516 Datasheet
RT9516
Related parts for RT9516
RT9516 Summary of contents
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... RT9516 also provide a booting assistant circuit which detect input source and battery connection condition and provide an output signal (ABO) for system booting. The RT9516 is available in WDFN-8L 2x2 tiny package to achieve best solution for PCB space and total BOM cost saving considerations. ...
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... RT9516 Typical Application Circuit (Adapter or USB) Chip Enable Function Block Diagram VIN ISET EN www.richtek.com VIN BATT C IN 1µF RT9516 ABI PGOOD 3 ISET 2 R GND SET ABO CC/CV/TR Loop Controller OVP Logic UVLO Controller 200k ABI 8 C OUT Battery 2.2µF ...
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... Charge Enable (Active Low). With internal 200kΩ pull low resistor. PGOOD pin connect to VIN with 10Ω N-MOSFET as power good condition. Battery Charge Current Output. YES BATT > 2.5V Soft-Start NO Pre_Charge Fast-Charge = (1/10 570mA CHG_F 2.8k CHG_F SET CV State YES V = 4.2V ≥ V BATT BATT CHG Pin Function RT9516 NO 4.2V www.richtek.com 3 ...
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... RT9516 Absolute Maximum Ratings Supply Voltage, V ------------------------------------------------------------------------------------------------------- IN Other Pins ------------------------------------------------------------------------------------------------------------------- −0.3V to 28V Power Dissipation 25° WDFN-8L 2x2 -------------------------------------------------------------------------------------------------------------- 0.606W Package Thermal Resistance (Note 2) WDFN-8L 2x2, θ --------------------------------------------------------------------------------------------------------- 165°C/W JA Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------------- 260°C Junction Temperature ----------------------------------------------------------------------------------------------------- 150°C Storage Temperature Range -------------------------------------------------------------------------------------------- −65°C to 150°C ...
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... JEDEC 51-3 thermal measurement standard. Note 3. Devices are ESD sensitive. Handling precaution is recommended. Note 4. The device is not guaranteed to function outside its operating conditions. DS9516-01 April 2011 = 25° low effective thermal conductivity single layer test board A RT9516 www.richtek.com 5 ...
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... RT9516 Typical Operating Characteristics BATT Pre-Charge Power On V BATT (2V/Div) EN (1V/Div) V ISET (100mV/Div (200mA/Div) Time (1ms/Div) Power Off from ACIN V IN (5V/Div) V BATT (2V/Div) V ISET (1V/Div (500mA/Div) Time (1ms/Div) Input Standby Current vs. Input Voltage 250 200 150 100 50 0 4.0 4.3 4.6 4.9 5.2 Input Voltage (V) www ...
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... Temperature (°C) DS9516-01 April 2011 SET 3.7V IN BATT (kΩ) SET 100 120 RT9516 Input OVP vs. Temperature 7.1 7.0 6.9 6.8 6.7 6.6 6.5 -40 - Temperature (° 3.7V BATT 80 100 120 www.richtek.com 7 ...
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... RT9516 applies a pre-charge mode to the battery. This feature revives deeply discharged cells and protects battery life. The internally determined pre-charge rate of the RT9516 is 10% of the constant charge current. b. Battery Fast-Charge Current The RT9516 offers ISET pin to determine the charge current ...
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... The RT9516 has an internal “OR” gate that generates an enable signal for system booting. The battery supplies power to the “OR” gate, the RT9516 will keep BATT pin voltage to supply the “OR” gate function when the battery isn connected at BATT pin. The first input is the AC_PG and the second input is an external signal (ABI). When − ...
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... Layout Consideration A The RT9516 is a fully integrated low cost single-cell Li-Ion battery charger ideal for portable applications. Careful PCB layout is necessary. For best performance, place all peripheral components as close to the IC as possible. A short connection is highly recommended. The ...
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... W-Type 8L DFN 2x2 Package Richtek Technology Corporation Taipei Office (Marketing) 5F, No. 95, Minchiuan Road, Hsintien City Taipei County, Taiwan, R.O.C. Tel: (8862)86672399 Fax: (8862)86672377 Email: marketing@richtek.com RT9516 2 1 DETAIL A Pin #1 ID and Tie Bar Mark Options Dimensions In Inches Min Max 0.028 ...