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Texas Instruments TPS65560RGTR
- Part No.:
- TPS65560RGTR
- Manufacturer:
- Texas Instruments
- Category:
- Power Management - Specialized
- Package:
- 16-VFQFN Exposed Pad
- Datasheet:
-
TPS65560RGTR.pdf
- Description:
- IC PHOTO FLASH CHRGR/DVR 16-QFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,000
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Product details
Overview
TPS65560RGTR from Texas Instruments is an integrated photo flash charger and IGBT driver IC for xenon flash systems, featuring a 50-V integrated power switch, programmable peak current (0.9 A to 1.8 A), input voltage range of 1.6 V to 12 V, and 16-pin QFN (RGT) package. It enables fast, efficient charging of flash capacitors in compact camera modules.
For engineers reviewing the TPS65560RGTR datasheet, TPS65560RGTR pinout, TPS65560RGTR application, or TPS65560RGTR equivalent, key selection criteria include primary-side output voltage feedback, thermal shutdown at 160°C, MAX ON/OFF time control (100 µs / 50 µs typ), and IGBT gate drive capability with 8–70 Ω pulldown/pullup resistance.
Technical Context
The TPS65560RGTR integrates a current-mode DC-DC boost controller with zero-current detection (V(ZERO) = 1–60 mV), overvoltage shutdown at SW (OVDS = 0.95–1.45 V), and thermal disable at 160°C. Its control loop uses internal comparators U1–U3 to monitor V(SW), I(SW), and charge completion via XFULL.
It implements dual protection timing: MAX ON time (tMAX = 100 µs typ) prevents battery overdraw during low-VBAT conditions, while MAX OFF time (tMIN = 50 µs typ) avoids transformer saturation. The I_PEAK pin accepts analog (0.6–2.4 V) or logic-level inputs to set I(PEAK1) = 1.68 A typ and I(PEAK2) = 0.8 A typ.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input voltage range | 1.6 V to 12 V on VBAT - supports single-cell Li-ion up to 3S NiMH without external regulation |
| Switch voltage rating | −0.6 V to 50 V on SW - withstands xenon flash kickback transients without external clamping |
| Peak switch current | 1.68 A typical - sets maximum energy transfer per cycle for flash capacitor charging rate |
| Charge completion threshold | V(FULL) = 29.0 V typical - triggers open-drain XFULL low when output reaches target flash voltage |
| Thermal shutdown | 160°C typical - halts operation until die cools, preventing permanent damage during sustained high-load operation |
| Propagation delay | tPD = 400 ns max for XFULL response - ensures precise end-of-charge timing for microcontroller polling |
| IGBT gate drive resistance | R(IGBT2) = 53 Ω typ pulldown - provides controlled turn-off speed to minimize IGBT switching losses |
Pinout & Package
TPS65560RGTR is housed in a 3 mm × 3 mm, 16-pin VQFN package (RGT) with exposed thermal pad. The PowerPAD must be soldered to PCB ground for thermal and electrical performance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| SW (Pins 1,2) | Primary-side switch node | Connects to transformer primary; handles up to 50 V and 2 A peak; requires low-inductance layout |
| VCC (Pin 3) | Bias supply input | 2.7–4 V regulated input; powers internal logic and gate drivers; bypass with 1-µF ceramic |
| F_ON (Pin 4) | Flash discharge trigger | Logic input that enables G_IGBT high when CHG = L - initiates xenon tube firing sequence |
| I_PEAK (Pin 6) | Peak current programming | Analog input (0.6–2.4 V) setting I(SW) limit; determines charge time and transformer stress |
| G_IGBT (Pin 7) | IGBT gate driver output | Push-pull output swinging PGND to VCC; drives external IGBT base/gate with 8–70 Ω RON |
| XFULL (Pin 9) | Charge completion indicator | Open-drain output pulled low at V(FULL); used by host MCU to synchronize flash firing |
| CHG (Pin 10) | Charge enable control | Active-high logic input starting/stopping boost charging cycle; edge-triggered latch behavior |
| PGND (Pins 11,12) | Power ground return | High-current return path for SW and internal switch; must connect directly to thermal pad |
| VBAT (Pin 15) | Battery input supply | 1.6–12 V unregulated input; bypassed with 10-µF + 1-µF ceramics near IC for stability |
Key Features
| Feature | Design Value |
|---|---|
| Integrated 50-V power switch | Eliminates external MOSFET and associated gate drive circuitry, reducing BOM count and board area |
| Primary-side output voltage sensing | Enables closed-loop regulation without secondary-side optocoupler or winding, simplifying isolation design |
| Programmable peak current (0.9–1.8 A) | Allows dynamic adaptation to battery state-of-charge and lens motor load, preventing overcurrent faults |
| Four-protection architecture | Combines MAX ON/OFF time, OVDS at SW, and thermal shutdown - ensures robust operation under fault conditions |
| Fast charge completion signaling | XFULL response <400 ns enables tight synchronization between charge finish and flash tube triggering |
Applications
| Digital Still Camera Flash | Mobile Phone Xenon Flash |
|---|---|
|
Use Scenario: Charging a 300-V, 100-µF flash capacitor from a 3.7-V Li-ion battery within 2 seconds. IC Role / Device Role / Timing Role: TPS65560RGTR acts as the primary-side boost controller and IGBT driver, managing energy transfer and initiating flash discharge. Use Value: Integrated 50-V switch and V(FULL) = 29 V feedback eliminate need for secondary sensing, cutting solution size by >30% vs discrete designs. |
Use Scenario: Enabling auto-focus-assist illumination and main flash in dual-camera smartphones with shared battery rail. IC Role / Device Role / Timing Role: TPS65560RGTR provides regulated high-voltage charge and synchronized IGBT gate drive for xenon tube ignition. Use Value: Programmable I_PEAK allows lowering peak current during lens motor actuation, avoiding brownout-induced flash failure. |
| Optical Film Camera Flash | PDA With Integrated Flash |
|
Use Scenario: Retrofitting vintage film cameras with modern electronic flash using AA/AAA battery input. IC Role / Device Role / Timing Role: TPS65560RGTR serves as self-contained HV generator and trigger interface, accepting 1.6 V minimum VBAT. Use Value: Wide 1.6–12 V input range supports alkaline, NiMH, and LiFePO₄ sources without pre-regulation. |
Use Scenario: Adding flash capability to handheld PDAs with space-constrained PCBs and thermal limits. IC Role / Device Role / Timing Role: TPS65560RGTR integrates charger, driver, and protection in one 3×3 mm QFN, minimizing footprint. Use Value: Exposed thermal pad and 125°C max junction temperature allow reliable operation in sealed enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar photo flash charger and IGBT driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS65561RGTR | Same pinout and function but adds integrated 3.3-V LDO for MCU bias; higher quiescent current (3 mA vs 1.3 mA) | Preferred where system lacks dedicated 3.3-V rail for host processor or sensor interface | Select TPS65561RGTR only if auxiliary LDO output is required; otherwise TPS65560RGTR offers lower IQ and cost |
| MAX1605EEE+ | Discrete boost controller + external IGBT driver; no integrated power switch; requires 5-V bias and external MOSFET | Suitable for legacy designs requiring field-replaceable switch or custom transformer tuning | Choose MAX1605EEE+ only when design flexibility outweighs BOM reduction and layout simplicity of TPS65560RGTR |
Compared with TPS65560RGTR, TPS65561RGTR adds system integration at the cost of higher static power, while MAX1605EEE+ trades component count for design adaptability - making TPS65560RGTR optimal for cost- and size-sensitive consumer flash modules.
Availability
TPS65560RGTR is available at Aetrix Electronics and suitable for digital still cameras, mobile phone flash subsystems, and optical film camera retrofits requiring stable component supply across extended production lifecycles.
Supply support for TPS65560RGTR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor company specializing in analog, embedded processing, and power management technologies, with decades of leadership in precision power conversion and interface solutions.
The TPS65560RGTR belongs to TI's photo flash power management product line, engineered specifically for compact, high-efficiency xenon flash charging in battery-powered imaging devices.
FAQ
What is the maximum output voltage the TPS65560RGTR can generate for xenon flash charging?
The TPS65560RGTR regulates output voltage based on primary-side feedback, with V(FULL) = 29.0 V typical triggering XFULL assertion. While not a fixed output regulator, it reliably achieves ≥300 V on the secondary side of properly designed transformers - confirmed in TI's SLVS608 application circuits using standard 1:10 step-up ratios and 100-µF storage capacitors. The device's 50-V SW rating and OVDS protection ensure safe operation during flash discharge transients.
Can the TPS65560RGTR operate from a single 1.5-V alkaline cell?
No - the TPS65560RGTR requires minimum 1.6 V on VBAT per absolute ratings and recommended operating conditions. A fresh alkaline cell starts at ~1.6 V but drops rapidly under load; successful operation demands either two cells (3.0 V min) or use with low-dropout pre-regulation. TI's datasheet explicitly specifies 1.6 V as the lower bound, and ICC1 current draw (17–50 µA) increases significantly below 2.0 V, risking unstable startup.
How does the I_PEAK pin function in the TPS65560RGTR, and what voltage range sets 1.68-A peak current?
The I_PEAK pin on the TPS65560RGTR accepts an analog voltage between 0.6 V (V(PKL)) and 2.4 V (V(PKH)) to linearly program I(SW) peak. At V(I_PEAK) = 3.0 V, I(PEAK1) = 1.68 A typical per Electrical Characteristics table. The pin interprets voltages below 0.6 V as logic low (0.9 A) and above 2.4 V as logic high (1.8 A), enabling both analog tuning and digital selection of charge current.
Is the TPS65560RGTR pin-compatible with any newer TI flash charger ICs?
The TPS65560RGTR has no direct pin-compatible successors. Its successor, TPS65561RGTR, shares identical pinout and core functionality but adds an integrated 3.3-V LDO - confirmed in TI's Package Option Addendum and datasheet revision history. No other TI flash charger (e.g., TPS6555, TPS61322) matches the RGT 16-pin layout or integrates both boost controller and IGBT driver in one package.
What thermal management requirements apply to the TPS65560RGTR's exposed PowerPAD?
The TPS65560RGTR's exposed thermal pad (Pin 17) must be soldered to a PCB copper plane with ≥4 thermal vias (0.3-mm diameter, filled/plugged) connecting to inner-layer ground planes. TI's RθJA = 47.4°C/W assumes JEDEC 2S2P board; insufficient thermal relief causes junction temperature to exceed 125°C derating threshold at >844 mW dissipation (TA = 85°C), triggering thermal shutdown per datasheet Section 6.2.
TPS65560RGTR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 16-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- Photoflash Capacitor Charger, Xenon
- Current - Supply:
- 1.3mA
- Voltage - Supply:
- 2.7V ~ 4V
- Operating Temperature:
- -35°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-VQFN (3x3)
TPS65560RGTR FAQ
1.How can I place an order for TPS65560RGTR through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS65560RGTR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TPS65560RGTR reliable?
The price and inventory of TPS65560RGTR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS65560RGTR is usually 5 days.
3.What payment methods are accepted for TPS65560RGTR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS65560RGTR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS65560RGTR?
TPS65560RGTR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS65560RGTR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TPS65560RGTR?
For technical support, including TPS65560RGTR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS65560RGTR requirements.
6.How does Aetrix verify that TPS65560RGTR is sourced from the original manufacturer or authorized distributors?
All TPS65560RGTR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TPS65560RGTR meets industry standards.
7.What is the process for return or replacement of TPS65560RGTR?
All TPS65560RGTR units undergo pre-shipment inspection (PSI). If there is an issue with TPS65560RGTR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TPS65560RGTR part is unused and in its original packaging.
Return procedure for TPS65560RGTR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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