MB39A132QN-G-ERE1 Fujitsu Semiconductor America Inc, MB39A132QN-G-ERE1 Datasheet
MB39A132QN-G-ERE1
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FUJITSU MICROELECTRONICS DATA SHEET ASSP For Power Management Applications (Rechargeable Battery) Synchronous Rectification DC/DC Converter IC for Charging Li-ion Battery MB39A132 ■ DESCRIPTION MB39A132, which is used for charging Li-ion battery synchronous rectification DC/DC converter IC adopting pulse ...
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MB39A132 ■ PIN ASSIGNMENT VCC 1 -INC1 2 +INC1 3 ACIN 4 ACOK 5 -INE3 6 ADJ1 7 COMP1 8 2 (TOP VIEW QFN- ...
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PIN DESCRIPTIONS Pin No. Pin Name I/O ⎯ 1 VCC Power supply pin for reference power and control circuit (Battery side). 2 -INC1 I Current detection amplifier (Current Amp1) inverted input pin. 3 +INC1 I Current detection amplifier (Current ...
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MB39A132 (Continued) Pin No. Pin Name I/O Boot strap capacitor connection pin. The capacitor is connected between the ⎯ pin and the LX pin. Power supply control pin for Current Amp1. 32 CTL2 I When the CTL1 ...
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BLOCK DIAGRAM CTL2 32 VIN 24 -INE1 9 Buffer OUTC1 10 <Current Amp1> +INC1 3 -INC1 ×25 2 ADJ1 Buffer OUTC2 11 <Current Amp2> +INC2 A 12 ×25 -INC2 ADJ2 ...
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MB39A132 ■ ABSOLUTE MAXIMUM RATINGS Parameter Symbol V VCC Power supply voltage V VIN CB pin input voltage V CB CTL1, CTL2 pin V CTL input voltage V INC Input voltage V ADJ V INE ACIN input voltage V ACIN ...
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RECOMMENDED OPERATING CONDITIONS Parameter Symbol V VCC Power supply voltage V VIN CB pin V CB input voltage Reference voltage I VREF output current Bias output current INC Input voltage V ADJ V INE ACIN pin ...
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MB39A132 (Continued) Parameter Symbol Operating ambient Ta temperature WARNING: The recommended operating conditions are required in order to ensure the normal operation of the semiconductor device. All of the device's electrical characteristics are warranted when the device is operated within ...
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ELECTRICAL CHARACTERISTICS Parameter Symbol V Threshold VREF1 voltage V VREF2 Reference Input stability VREF Voltage Block Load stability VREF [REF] Short-circuit Ios output current Oscillation Triangular f OSC frequency Wave Oscillator Frequency Block temperature df/fdT [OSC] variation Input offset ...
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MB39A132 Parameter Symbol V TH1 V TH2 V TH3 Threshold voltage V TH4 Error Amplifier Block [Error Amp3] V TH5 V TH6 I BATTH Input current I BATTL Transcon- Gm ductance 10 ( °C, VCC pin = ...
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Sym- Parameter I+ I+ Input current I+ V Input offset Current voltage V Detection Amplifier Block Common [Current Amp1, mode input Current Amp2] voltage range Voltage gain Frequency bandwidth V Output voltage V Output source I SOURCE current Output sink ...
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MB39A132 Parameter ON condition OFF condition Control Block [CTL1,CTL2] Input current Output voltage Bias Voltage Block Load stability [VB] Synchronous CS threshold Rectification voltage Control Block Hysteresis [Synchronous width Cnt.] Threshold voltage Hysteresis width Under Voltage Threshold Lockout voltage Protection ...
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Parameter Symbol V Threshold V voltage Input current Charge Voltage Control Block [VO REFIN Input voltage Control] Input current Charge Current Threshold Control Block voltage [Charge Current Input current Control] Soft-start Block Charge [SOFT] current Standby current General Power ...
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MB39A132 ■ TYPICAL CHARACTERISTICS Power supply current vs. Power supply voltage Power supply voltage V Reference voltage vs. Load current 25°C V ...
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Error amplifier threshold voltage vs. Operating ambient temperature 16.900 16.875 16.850 16.825 16.800 16.775 16.750 16.725 16.700 -40 -20 0 +20 +40 Operating ambient temperature Ta( °C) Triangular wave oscillation frequency vs. Operating ambient temperature 550 540 530 520 ...
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MB39A132 ■ FUNCTIONAL DESCRIPTION MB39A132 is an N-ch MOS driver-supported DC/DC converter which uses pulse width modulation (PWM) for charging Li-ion battery and controls the charge voltage and current when charging the battery. To stabilize the power supplied from a ...
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Blocks of DC/DC Converter (1) Reference voltage block (REF) The reference voltage circuit uses the voltage supplied from the VCC pin (pin 1) to generate stable voltage (Typ. 5.0 V) that has undergone temperature compensation. The generated voltage is ...
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MB39A132 (10) Power supply control block (CTL1) The power supply control block controls the DC/DC converter operation. When the CTL1 pin (pin 23) is set to "L" level, the DC/DC converter enters standby mode. In the standby mode, only the ...
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Protection Functions (1) Under voltage lockout protection circuit (VREF-UVLO) A momentary decrease in internal reference voltage (VREF) may cause malfunctions in the control IC, resulting in breakdown or degradation of the system. To prevent such malfunction, the under voltage ...
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MB39A132 (4) Overcurrent detection block (Over Current Det.) When this block detects that the potential difference between the +INC2 pin (pin 12) and the -INC2 pin (pin 13) exceeds 0.2 V (Typ), and excessive current flows in the charging direction ...
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Detection Function AC adapter voltage detection block (AC Comp.) When the AC adapter voltage detection block (AC Comp.) detects that ACIN pin (pin 4) voltage is below 1.25 V (Typ), it and sets ACOK pin (pin 5) in the ...
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MB39A132 ■ SETTING THE CHARGE VOLTAGE The charge voltage (DC/DC converter output voltage) can be set by the input voltage to ADJ3 pin (pin 18) and CELLS pin (pin 25). The ADJ3 pin can set charge voltage per cell. The ...
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SETTING THE CHARGE CURRENT The error amplifier (Error Amp2) compares the output voltage of charge current control block set by the ADJ2 pin (pin 14) with the output signal from the charge current detection amplifier (Current Amp2), and outputs ...
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MB39A132 Io (mA) 1200 1000 800 600 400 200 Io mΩ, S +INC2 = Error < ± 100 200 300 400 500 600 = 100 mV ...
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SETTING DYNAMICALLY-CONTROLLED CHARGING With the connection shown below, when the voltage of the AC adapter (V of the equation shown below, the converter becomes dynamically-controlled charging mode and then controls charge current to maintain a constant power level of ...
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MB39A132 ■ SETTING THE SOFT-START TIME To prevent rush current at start-up of IC, the soft-start time can be set by connecting a soft-start capacitor ( the CS pin (pin 19). When the CTL1 pin (pin 23) and ...
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TRANSIT RESPONSE AT STEP LOAD CHANGE The constant voltage control loop and the constant current control loop are independent of each other . When a load changes suddenly, a control loop is replaced by the other. Overshoot of the ...
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MB39A132 ■ CONNECTION WITHOUT USING THE CURRENT AMP1,CURRENT AMP2 AND THE ERROR AMP1, ERROR AMP2 When Current Amp1, 2 and Error Amp1, 2 are not used, connect the +INC1 pin (pin 3) and -INC1 pin (pin 2) to VREF pin ...
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I/O EQUIVALENT CIRCUIT <Reference voltage block> 1 VCC 1.22 V VREF 21 ESD 37 kΩ protection element 12 kΩ 22 GND <Triangular wave oscillator block> VREF GND <Error amplifier block (Error Amp2)> 21 VREF +INE2 22 ...
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MB39A132 (Continued) <PWM comparator block > VREF 21 8 COMP1 COMP2 15 16 COMP3 22 GND <AC adapter detection block > VCC 1 24 VIN ACIN 4 GND 22 <Bias voltage block > VCC 1 200 kΩ 2.5 V 200 ...
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TYPICAL APPLICATION CIRCUIT DS04–27265–3E CELLS COMP3 PGND COMP2 OUT2 ADJ2 VB -INC2 LX +INC2 OUT1 OUTC2 CB OUTC1 CTL2 -INE1 *1 : Pattern Short *2 : Not mounted MB39A132 To Micro- controller 31 ...
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MB39A132 • Parts list Com- Item Specification ponent M1 IC VDS = − Dual N-ch FET (Max) VDS = − P-ch FET (Max) VDS = − ...
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Com- Item Specification ponent C22 Ceramic capacitor R1 Resistor R2 Resistor R3 Resistor R4 Resistor R5 Resistor R6 Resistor R7 Resistor R8 Resistor R9 Resistor R10 Resistor R11 Resistor R13 Resistor R14 Resistor R15 Resistor R16 Resistor R17 Resistor R18 ...
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MB39A132 (Continued) Com- Item Specification ponent R38 Resistor R39 Resistor R40 Resistor R41 Resistor R42 Resistor R43 Resistor FML : Fujitsu Microelectronics Limited NEC : NEC Electronics Corporation TOSHIBA : TOSHIBA Corporation ON Semi : ON Semiconductor Corporation SUMIDA : ...
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APPLICATION NOTE • Inductor selection As a rough guide, the inductance of an inductor should keep the peak-to-peak value of inductor ripple current below 50% of the maximum charge current. The inductance fulfilling the above condition can be found ...
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MB39A132 • SWFET selection If MB39A132 is used for the charger for a notebook PC, since the output voltage adapter, which is the input voltage of an SWFET less, in general ...
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Ibtm = I − OMAX 2 Itop : Top value of ripple current of inductor [A] ΔIL Itop = I − OMAX 2 ΔIL : Inductor ripple current peak to peak value [ FET turn-on time of ...
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MB39A132 • Fly-back diode selection In general, the fly-back diode is not necessary. However, if conversion efficiency becomes a major concern, it can be improved by adding a fly-back diode. Select a Schottky barrier diode (SBD) that has a small ...
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Output capacitor selection Since a high ESR causes the output ripple voltage to increase, a low-ESR capacitor is needs to be used in order to reduce the output ripple voltage. Use a capacitor that has sufficient ratings to surge ...
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MB39A132 • Input capacitor selection Select an input capacitor that has an ESR as small as possible. A ceramic capacitor is ideal high- capacitance capacitor is needed for which there is no suitable ceramic capacitor use a polymer ...
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Bootstrap diode selection Select a Schottky barrier diode (SBD) that has a small forward voltage drop. The current to drive the gate of High-side FET flows to the SBD of the bootstrap circuit. The average current can be found ...
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MB39A132 • VB capacitor Although the typical capacitance value for a VB capacitor is 1 μF, it has to be adjusted if the switching FET used has a large Qg. The bootstrap capacitor needs to be sufficiently charged to drive ...
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Design of phase compensation circuit (1) Constant voltage (CV) mode phase compensation circuit When a low-ESR capacitor, such as a ceramic capacitor, is used as the output capacitor easier for the DC/DC converter to oscillate as the ...
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MB39A132 (2) Constant current (CC) mode phase compensation circuit In constant current mode, since the output capacitor impedance has little effects on the loop response characteristic, connect the 1pole-1zero phase compensation circuit with the output pin (COMP2) of the error ...
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Allowable loss, and thermal design In general, the allowable loss and thermal design of this IC can be ignored because this IC is highly effective. However, when this IC is used with high power supply voltage, high switching frequency, ...
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MB39A132 • Board layout When designing the layout, consider the points listed below. Take account of the following points when designing the board layout. - Place a GND plane on the IC mounting surface whenever possible. Connect bypass capacitors connected ...
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REFERENCE DATA Unless otherwise specified, the measurement conditions are °C. Conversion efficiency - Charge current (Constant voltage mode) 100 4 Cells Cells 94 2 Cells ...
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MB39A132 Start and stop (Constant voltage mode SW1-2 = OFF CTL ( CTL 20 ms/div 0 Start and stop (Constant current mode ( ...
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Load-step response (Constant voltage mode) Battery insertion OUT1 OUT2 V OUT2 (V) SW1-2 = OFF Load-step response (Constant current mode) Battery insertion V ...
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... Do not apply negative voltages The use of negative voltages below −0.3 V may cause the parasitic transistor to be activated on LSI lines, which can cause malfunctions. ■ ORDERING INFORMATION Part number MB39A132QN ■ EV BOARD ORDERING INFORMATION EV board part No. MB39A132EVB-02 ■ RoHS COMPLIANCE INFORMATION OF LEAD (Pb) FREE VERSION The LSI products of Fujitsu Microelectronics with “ ...
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MARKING FORMAT (LEAD-FREE VERSION) Lead-free version INDEX ■ LABELING SAMPLE (LEAD-FREE VERSION) MB123456P - 789 - GE1 (3N) 1MB123456P-789-GE1 (3N)2 1561190005 107210 1,000 MB123456P - 789 - GE1 2006/03/01 MB123456P - 789 - GE1 1561190005 The part number of ...
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... MB39A132 ■ MB39A132QN RECOMMENDED CONDITIONS OF MOISTURE SENSITIVITY LEVEL [Fujitsu Microelectronics Recommended Mounting Conditions] Item Mounting Method Mounting times Storage period When the storage period after Storage conditions [Mounting Conditions] (1) IR (infrared reflow) 260°C 255°C Main heating °C 170 to °C ...
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PACKAGE DIMENSIONS 32-pin plastic QFN (LCC-32P-M17) 32-pin plastic QFN (LCC-32P-M17) 5.00±0.10 (.197±.004) 5.00±0.10 (.197±.004) INDEX AREA 0.08(.003) 2007-2008 FUJITSU MICROELECTRONICS LIMITED C32069S-c-2-3 C DS04–27265–3E Lead pitch Sealing method 3.50 (.138 3.50 ± 0.10 (.138 ± .004) (3-R0.20) ((3-R.008)) 0.50(.020) ...
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... TYPICAL APPLICATION CIRCUIT .................................................................................................................. 31 - APPLICATION NOTE ......................................................................................................................................... 35 - REFERENCE DATA ........................................................................................................................................... 47 - USAGE PRECAUTION ...................................................................................................................................... 50 - ORDERING INFORMATION ............................................................................................................................. BOARD ORDERING INFORMATION ....................................................................................................... 50 - RoHS COMPLIANCE INFORMATION OF LEAD (Pb) FREE VERSION .................................................. 50 - MARKING FORMAT (LEAD-FREE VERSION) .............................................................................................. 51 - LABELING SAMPLE (LEAD-FREE VERSION) ............................................................................................. 51 - MB39A132QN RECOMMENDED CONDITIONS OF MOISTURE SENSITIVITY LEVEL ...................... 52 - PACKAGE DIMENSIONS .................................................................................................................................. 53 54 page DS04–27265–3E ...
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MEMO DS04–27265–3E MB39A132 55 ...
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MB39A132 FUJITSU MICROELECTRONICS LIMITED Shinjuku Dai-Ichi Seimei Bldg., 7-1, Nishishinjuku 2-chome, Shinjuku-ku, Tokyo 163-0722, Japan Tel: +81-3-5322-3347 Fax: +81-3-5322-3387 http://jp.fujitsu.com/fml/en/ For further information please contact: North and South America FUJITSU MICROELECTRONICS AMERICA, INC. 1250 E. Arques Avenue, M/S 333 Sunnyvale, ...