bq24190, bq24192 bq24192I, bq24193 www.ti.com SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 I2C Controlled 4.5A Single Cell USB/Adapter Charger With Narrow VDC Power Path Management and USB OTG Check for Samples: bq24190, bq24192, bq24192I, bq24193 FEATURES 1 • 2 • • • • • • • High Efficiency 4.
bq24190, bq24192 bq24192I, bq24193 SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 www.ti.com These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.
bq24190, bq24192 bq24192I, bq24193 www.ti.
bq24190, bq24192 bq24192I, bq24193 SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 www.ti.com APPLICATION DIAGRAM bq24190 5V USB SDP/DCP VBUS PMID 1μF 1μH 10μF 47nF 6.8μF USB SYS: 3.5V-4.35V SW 10μF 10μF 10μF BTST REGN D+ 4.7μF D– SYS PGND 2.2kW SYS STAT VREF BAT 10kW 353W 10μF (1.5A max) 10kW 10kW SDA SCL INT OTG CE Host ILIM REGN 5.52kW TS1 TS2 31.23kW Power Pad 10kW (103-AT) Figure 1.
bq24190, bq24192 bq24192I, bq24193 www.ti.com SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 bq24192I 5V USB 15V Adapter SYS: 3.5V-4.35V SW VBUS PMID 1μF 2.2μH 47nF 6.8μF 10μF 10μF BOOT REGN 4.7μF SYS PGND 2.2kW 10kW SYS PG STAT VREF 10kW BAT 10kW SDA SCL INT OTG CE Host PHY ILIM 10μF 353W (1.5A max) REGN 10kW TS1 TS2 10kW PSEL Power Pad Figure 3. bq24192I with PSEL, USB On-The-Go (OTG), No Thermistor Connections bq24193 12V Adapter SYS: 3.5V-4.35V SW VBUS PMID 1μF 2.
bq24190, bq24192 bq24192I, bq24193 SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 www.ti.com FUNCTIONAL BLOCK DIAGRAM VBUS PMID Q1 3.8V UVLO Q1 Gate Control VBATz +80mV SLEEP REGN REGN LDO EN_HIZ ACOV 18V BTST FBO VBUS VBUS_OVP_BOOST 5.4V I(Q2) VINDPM 100mA IINDPM 3.
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bq24190, bq24192 bq24192I, bq24193 SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 www.ti.com PIN FUNCTIONS (continued) PIN TYPE DESCRIPTION NAME NO. TS1 11 I Analog Temperature qualification voltage input #1. Connect a negative temperature coefficient thermistor. Program temperature window with a resistor divider from REGN to TS1 to GND. Charge suspends when either TS pin is out of range. Recommend 103AT-2 thermistor. TS1 and TS2 pins have to be shorted together in bq24193.
bq24190, bq24192 bq24192I, bq24193 www.ti.com SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 RECOMMENDED OPERATING CONDITIONS (continued) MIN MAX UNIT 4.5 A 6 (continuous) 9 (peak) (up to 1 sec duration) A 85 °C Fast charging current IBAT Discharging current with internal MOSFET TA Operating free-air temperature range –40 THERMAL INFORMATION RGE PACKAGE THERMAL METRIC (1) 24-PIN θJA Junction-to-ambient thermal resistance 32.2 θJCtop Junction-to-case (top) thermal resistance 29.
bq24190, bq24192 bq24192I, bq24193 SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 www.ti.com ELECTRICAL CHARACTERISTICS (continued) VVBUS_UVLOZ < VVBUS < VACOV and VVBUS > VBAT + VSLEEP, TJ = –40°C to 125°C and TJ = 25°C for typical values unless other noted. PARAMETER TEST CONDITIONS MIN TYP MAX UNITS 4.35 V POWER PATH MANAGEMENT VSYS_RANGE System regulation voltage Isys = 0A, Q4 off, VBAT up to 4.2 V, REG01[3:1]=101, VSYSMIN = 3.5 V 3.
bq24190, bq24192 bq24192I, bq24193 www.ti.com SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 ELECTRICAL CHARACTERISTICS (continued) VVBUS_UVLOZ < VVBUS < VACOV and VVBUS > VBAT + VSLEEP, TJ = –40°C to 125°C and TJ = 25°C for typical values unless other noted.
bq24190, bq24192 bq24192I, bq24193 SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 www.ti.com ELECTRICAL CHARACTERISTICS (continued) VVBUS_UVLOZ < VVBUS < VACOV and VVBUS > VBAT + VSLEEP, TJ = –40°C to 125°C and TJ = 25°C for typical values unless other noted.
bq24190, bq24192 bq24192I, bq24193 www.ti.com SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 TYPICAL CHARACTERISTICS (continued) Table 1. Tables of Figures (continued) FIGURE NO. Load Transient during Supplement Mode (VBUS 9V, IIN 1.5A, VBAT 3.8V) Figure 20 PWM Switching Waveform (VBUS 12V, VBAT 3.8V, ICHG 3A) Figure 21 PFM Switching Waveform (VBUS 9V, No Battery, ISYS 10 mA, Charge Disable) Figure 22 Boost Mode Switching Waveform (VBAT 3.8V, ILOAD 1A) Figure 23 Boost Mode Load Transient (VBAT 3.
bq24190, bq24192 bq24192I, bq24193 SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 www.ti.com BOOST MODE VBUS VOLTAGE REGULATION vs VBUS LOAD CURRENT SYS VOLTAGE vs TEMPERATURE 5.04 3.80 5.02 3.75 5.00 SYS Voltage (V) VBUS Voltage (V) SYSMIN 3.5 V 4.98 4.96 4.94 3.70 3.65 3.60 VBAT = 3.2 V 4.92 3.55 VBAT = 3.8 V VBAT = 4.2 V 4.90 0 200 400 3.50 600 800 1000 1200 ±50 1400 VBUS Load Current (A) 0 50 100 150 Temperature (ƒC) C005 Figure 9. Figure 10.
bq24190, bq24192 bq24192I, bq24193 www.ti.com SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 bq24192 Power Up with Charge Disabled (VBAT 3.2V) bq24193 Power Up with Charge Enabled VBUS 5V/div VBUS 5V/div REGN 5V/div REGN 5V/div SYS 2V/div SYS 2V/div /PG 2V/div IBAT 2A/div 40ms/div 100ms/div Figure 15. Figure 16. Charge Enable (VBUS 5V) Charge Disable (VBUS 12V) STAT 2V/div STAT 2V/div /CE 5V/div /CE 5V/div SW 5V/div SW 10V/div IBAT 1A/div IBAT 2A/div 400us/div 4us/div Figure 17.
bq24190, bq24192 bq24192I, bq24193 SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 PWM Switching Waveform (VBUS 12V, VBAT 3.8V, ICHG 3A) www.ti.com PFM Switching Waveform (VBUS 9V, No Battery, ISYS 10 mA, Charge Disable) SYS 3.4V offset 100mV/div SW 5V/div SW 5V/div IL 1A/div IL 1A/div 0 4us/div 400ns/div Figure 21. Figure 22. Boost Mode Switching Waveform (VBAT 3.8V, ILOAD 1A) Boost Mode Load Transient(VBAT 3.
bq24190, bq24192 bq24192I, bq24193 www.ti.com SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 I2C Registers Address: 6BH. REG00-07 support Read and Write. REG08-0A are read only.
bq24190, bq24192 bq24192I, bq24193 SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 www.ti.
bq24190, bq24192 bq24192I, bq24193 www.ti.
bq24190, bq24192 bq24192I, bq24193 SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 www.ti.com Fault Register REG09 BIT Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 WATCHDOG_FAULT BOOST_FAULT CHRG_FAULT[1] CHRG_FAULT[0] BAT_FAULT NTC_FAULT[2] NTC_FAULT[1] NTC_FAULT[0] DESCRIPTION 0 – Normal, 1- Watchdog timer expiration 0 – Normal, 1 – VBUS overloaded (OCP), or VBUS OVP in boost mode 00 – Normal, 01 – Input fault (VBUS OVP or VBAT
bq24190, bq24192 bq24192I, bq24193 www.ti.com SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 Shipping Mode When end equipment is assembled, the system is connected to battery through BATFET. There will be a small leakage current to discharge the battery even when the system is powered off. In order to extend the battery life during shipping and storage, the device can turn off BATFET so that the system voltage is zero to minimize the leakage.
bq24190, bq24192 bq24192I, bq24193 SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 www.ti.com D+ VDP_SRC VLGC_HI IDP_SRC CHG_DET VDAC_REF IDM_SINK D- RDM_DWN Figure 25. USB D+/D- Detection DCD (Data Contact Detection) uses a current source to detect when the D+/D– pins have made contact during an attach event.
bq24190, bq24192 bq24192I, bq24193 www.ti.com SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 Table 3. bq24192, bq24192I, bq24193 Input Current Limit Detection (continued) PSEL LOW OTG INPUT CURRENT LIMIT REG08[7:6] — 1.5A (bq24192I) 3A (bq24192, bq24193) 10 HIZ State wth 100mA USB Host In battery charging spec, the good battery threshold is the minimum charge level of a battery to power up the portable device successfully.
bq24190, bq24192 bq24192I, bq24193 SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 www.ti.com Any fault during boost operation, including VBUS over-voltage or over-current, sets the fault register REG09[6] to 1 and an INT is asserted. Power Path Management The bq24190, bq24192, bq24192I, bq24193 accommodates a wide range of input sources from USB, wall adapter, to car battery. The device provides automatic power path selection to supply the system (SYS) from input source (VBUS), battery (BAT), or both.
bq24190, bq24192 bq24192I, bq24193 www.ti.com SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 Voltage VBUS 9V SYS 3.6V 3.4V 3.2V 3.18V BAT Current 4A ICHG 3.2A 2.8A ISYS 1.2A 1.0A 0.5A IIN -0.6A DPM DPM Supplement Figure 27. DPM Response Supplement Mode When the system voltage falls below the battery voltage, the BATFET turns on and the BATFET gate is regulated the gate drive of BATFET so that the minimum BATFET VDS stays at 30mV when the current is low.
bq24190, bq24192 bq24192I, bq24193 SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 www.ti.com Autonomous Charging Cycle With battery charging enabled at POR (REG01[5:4]=01), the bq24190, bq24192, bq24192I, bq24193 can complete a charging cycle without host involvement. The device default charging parameters are listed in Table 4. Table 4. Charging Parameter Default Setting (1) A • • • • • DEFAULT MODE bq24190, bq24192 bq24192I bq24193 Charging Voltage 4.208 V 4.112 V 4.208 V Charging Current 2.
bq24190, bq24192 bq24192I, bq24193 www.ti.com SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 If the charger device is in DPM regulation or thermal regulation during charging, the actual charging current will be less than the programmed value. In this case, termination is temporarily disabled and the charging safety timer is counted at half the clock rate. Regulation Voltage (3.5V – 4.4V) Battery Voltage Fast Charge Current (500mA-4020mA) Charge Current VBAT_LOWV (2.
bq24190, bq24192 bq24192I, bq24193 SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 www.ti.com REGN bq2419x RT1 TS RT2 RTH 103AT Figure 30. TS Resistor Network When the TS fault occurs, the fault register REG09[2:0] indicates the actual condition on each TS pin and an INT is asserted to the host. The STAT pin indicates the fault when charging is suspended.
bq24190, bq24192 bq24192I, bq24193 www.ti.com SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 JEITA Guideline Compliance (bq24193) To improve the safety of charging Li-ion batteries, JEITA guideline was released on April 20, 2007. The guideline emphasized the importance of avoiding a high charge current and high charge voltage at certain low and high temperature ranges. To initiate a charge cycle, the voltage on TS pin must be within the VT1 to VT5 thresholds.
bq24190, bq24192 bq24192I, bq24193 SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 www.ti.com Termination when REG02[0] = 1 When REG02[0] is HIGH to reduce the charging current by 80%, the charging current could be less than the termination current. The charger device termination function should be disabled. When the battery is charged to fully capacity, the host disables charging through CE pin or REG01[5:4].
bq24190, bq24192 bq24192I, bq24193 www.ti.com SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 POR watchdog timer expired Reset registers I2C interface enabled Host Mode Y I2C Write? Start watchdog timer Host programs registers N Default Mode Reset watchdog timer Reset registers N Reset REG01 bit[6]? Y Y N I2C Write? Y Watchdog Timer Expired? N Figure 32.
bq24190, bq24192 bq24192I, bq24193 SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 www.ti.com Table 6.
bq24190, bq24192 bq24192I, bq24193 www.ti.com SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 Thermal Regulation and Thermal Shutdown The bq24190, bq24192, bq24192I, bq24193 monitors the internal junction temperature TJ to avoid overheat the chip and limits the IC surface temperature. When the internal junction temperature exceeds the preset limit (REG06[1:0]), the device lowers down the charge current.
bq24190, bq24192 bq24192I, bq24193 SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 www.ti.com Serial Interface The bq24190, bq24192, bq24192I, bq24193 uses I2C compatible interface for flexible charging parameter programming and instantaneous device status reporting. I2CTM is a bi-directional 2-wire serial interface developed by Philips Semiconductor (now NXP Semiconductors). Only two bus lines are required: a serial data line (SDA) and a serial clock line (SCL).
bq24190, bq24192 bq24192I, bq24193 www.ti.com SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 Byte Format Every byte on the SDA line must be 8 bits long. The number of bytes to be transmitted per transfer is unrestricted. Each byte has to be followed by an Acknowledge bit. Data is transferred with the Most Significant Bit (MSB) first.
bq24190, bq24192 bq24192I, bq24193 SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 www.ti.com If the register address is not defined, the charger IC send back NACK and go back to the idle state. Multi-Read and Multi-Write The charger device supports multi-read and multi-write on REG00 through REG08. 1 7 1 1 8 1 S Slave Address 0 ACK Reg Addr ACK 8 1 8 1 8 1 1 Slave Address ACK Data to Addr+1 ACK Data to Addr+1 ACK P Figure 39.
bq24190, bq24192 bq24192I, bq24193 www.ti.com SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 APPLICATION INFORMATION Inductor Selection The bq24190, bq24192, bq24192I, bq24193 has 1.5 MHz switching frequency to allow the use of small inductor and capacitor values.
bq24190, bq24192 bq24192I, bq24193 SLUSAW5A – JANUARY 2012 – REVISED OCTOBER 2012 www.ti.com PCB Layout The switching node rise and fall times should be minimized for minimum switching loss. Proper layout of the components to minimize high frequency current path loop (see Figure 41) is important to prevent electrical and magnetic field radiation and high frequency resonant problems. Here is a PCB layout priority list for proper layout. Layout PCB according to this specific order is essential. 1.
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PACKAGE OPTION ADDENDUM www.ti.com 11-Apr-2013 (4) Multiple Top-Side Markings will be inside parentheses. Only one Top-Side Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a continuation of the previous line and the two combined represent the entire Top-Side Marking for that device. Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided.
PACKAGE MATERIALS INFORMATION www.ti.com 26-Jan-2013 TAPE AND REEL INFORMATION *All dimensions are nominal Device Package Package Pins Type Drawing BQ24190RGER VQFN RGE 24 SPQ Reel Reel A0 Diameter Width (mm) (mm) W1 (mm) B0 (mm) K0 (mm) P1 (mm) W Pin1 (mm) Quadrant 3000 330.0 12.4 4.25 4.25 1.15 8.0 12.0 Q2 BQ24190RGET VQFN RGE 24 250 180.0 12.4 4.25 4.25 1.15 8.0 12.0 Q2 BQ24192IRGER VQFN RGE 24 3000 330.0 12.4 4.25 4.25 1.15 8.0 12.
PACKAGE MATERIALS INFORMATION www.ti.com 26-Jan-2013 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) BQ24190RGER VQFN RGE 24 3000 367.0 367.0 35.0 BQ24190RGET VQFN RGE 24 250 210.0 185.0 35.0 BQ24192IRGER VQFN RGE 24 3000 367.0 367.0 35.0 BQ24192IRGET VQFN RGE 24 250 210.0 185.0 35.0 BQ24192RGER VQFN RGE 24 3000 367.0 367.0 35.0 BQ24192RGET VQFN RGE 24 250 210.0 185.0 35.
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