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TPS92601-Q1 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS92601-Q1 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 45 page VBAT GDRV1 ISNS1 ISP1 ISN1 VOUT1 PWMO1 OVFB1 PWIN1 COMP1 VCC PGND1 ICTRL1 DIAG1 CHANNEL 1 VBAT GDRV2 ISNS2 ISP2 ISN2 VOUT2 PWMO2 OVFB2 PWIN2 COMP2 PGND2 RT ICTRL2 DIAG2 CHANNEL 2 Part of TPS92602-Q1 Part of TPS92602-Q1 Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS92601-Q1, TPS92602-Q1, TPS92601A-Q1, TPS92602A-Q1 SLUSBP5D – MARCH 2014 – REVISED JANUARY 2015 TPS9260x-Q1 Single- and Dual-Channel Automotive Headlight LED Driver 1 Features 3 Description The TPS9260x-Q1 family of devices is a single- 1 • Qualified for Automotive Applications channel and dual-channel high-side-current LED • AEC-Q100 Qualified With the Following Results: driver. With full protection and diagnostics, this family – Device Temperature Grade 1: –40°C to 125°C of devices is dedicated for and ideally suited to Ambient Operating Temperature automotive front lighting. The base of each independent driver is a peak-current-mode boost – Device HBM ESD Classification Level 2 controller. Each controller has two independent – Device CDM ESD Classification Level C4B feedback loops, a current-feedback loop with a high- • Input Voltage: 4 V–40 V (45 V Abs. Max.) side current-sensing shunt and a voltage-feedback loop with an external resistor-divider network. The • Output Voltage: 4 V–75 V (80 V Abs. Max.) controller delivers a constant output voltage or a • Fixed-Frequency Current-Mode Controller With constant output current. The connected load Integrated Slope Compensation determines whether the device regulates a constant • Two Regulation Loops, Constant-Current Output output current (if the circuit reaches the current set- and Constant-Voltage Output of Each Channel point earlier than voltage set-point) or a constant output voltage (if the circuit reaches the voltage set- • High-Side Current Sense: point is reached first, for example, in an open-load – 150-mV or 300-mV Sense Voltage (EEPROM condition). Option) Each controller supports all typical topologies such as – ±6-mV Offset (Achieving Approx. 4% or 2% boost, boost-to-battery, SEPIC, or flyback. LED Current Accuracy) Uses of the high-side PMOS FET driver are for PWM • Output Voltage Sense, Internal Voltage dimming of the LED string and for cutoff in case of an Reference: 2.2 V ±5% external short circuit to GND to protect the circuit. • Integrated Low-Side NMOS-FET Driver: Peak Gate-Drive Current Typ. 0.7 A Device Information(1) • Frequency Synchronization SENSE-VOLTAGE PART NUMBER CHANNELS RANGE • Both PWM Dimming and Analog Dimming TPS92601-Q1 15 mV–150 mV 1 • Diagnostic: TPS92601A-Q1(2) 30 mV–300 mV 1 – High-Side Current (LED Current) Available as TPS92602-Q1 15 mV–150 mV 2 Analog Output TPS92602A-Q1(2) 30 mV–300 mV 2 – Open-LED and Short-to-GND Detection (1) For all available packages, see the orderable addendum at – Shorted Output Protection the end of the datasheet. • Internal Under- and Overvoltage Lockout (2) Device is available as a preview only. 2 Applications • Automotive Headlight LED Driver • High-Brightness LED Applications 4 Typical Schematic 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. UNLESS OTHERWISE NOTED, this document contains PRODUCTION DATA. |
Similar Part No. - TPS92601-Q1_15 |
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Similar Description - TPS92601-Q1_15 |
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