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Analog Devices Inc. LTC6992MPS6-2#TRPBF
- Part No.:
- LTC6992MPS6-2#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Programmable Timers and Oscillators
- Package:
- SOT-23-6 Thin, TSOT-23-6
- Datasheet:
-
LTC6992MPS6-2#TRPBF.pdf
- Description:
- IC OSC SILICON PROG TSOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:1,131
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Product details
Overview
LTC6992MPS6-2#TRPBF from Analog Devices is a voltage-controlled pulse width modulator (PWM) IC in the TimerBlox family, designed for precision analog duty cycle control. It delivers 5% to 95% programmable duty cycle range, operates from 2.25V to 5.5V supply, achieves ±1.7% max frequency error over –55°C to 125°C, and supports output frequencies from 3.81Hz to 1MHz via RSET and DIV pin configuration. It is used in LED dimming systems requiring stable, low-drift PWM under wide temperature extremes.
For engineers reviewing the LTC6992MPS6-2#TRPBF datasheet, LTC6992MPS6-2#TRPBF pinout, LTC6992MPS6-2#TRPBF application, or LTC6992MPS6-2#TRPBF equivalent, this device offers verified automotive-grade operation (–55°C to 125°C), CMOS output capable of ±20mA drive, <3.7% PWM duty cycle error, and resistor-based frequency/duty programming without external clock sources.
Technical Context
The LTC6992MPS6-2#TRPBF implements a master oscillator with fixed 1MHz reference scaled by ISET current, where ISET = VSET/RSET and VSET is internally regulated to 1.00V ±30mV. Its 4-bit A/D converter on the DIV pin selects NDIV values (1, 4, 16, ..., 16384) and polarity inversion mode (POL).
Duty cycle is linearly controlled by VMOD input between 0.1•VSET and 0.9•VSET (≈100mV–900mV), clamped at 5% min / 95% max per its -2 variant designation. Output settling occurs within 8•tMASTER after MOD voltage step, with typical start-up time of 500µs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Frequency Range | 3.81Hz to 1MHz - set by RSET (50kΩ–800kΩ) and NDIV (1–16384); enables ultra-low-power timing or high-speed PWM control |
| Duty Cycle Range | 5% to 95% - hard-clamped limits prevent 0% or 100% saturation; ensures reliable switching in motor/LED drivers |
| Frequency Accuracy | ±1.7% max over full temp - guaranteed over –55°C to 125°C; eliminates need for calibration in harsh environments |
| Supply Voltage | 2.25V to 5.5V - single-supply operation compatible with Li-ion, 3.3V, and 5V systems without level-shifting |
| Output Drive | ±20mA CMOS - directly drives logic inputs, small MOSFET gates, or LEDs with series resistor; no external buffer needed |
| Operating Temp | –55°C to 125°C - MP-grade qualification meets AEC-Q100 requirements for under-hood automotive use |
| Supply Current | 105µA to 450µA - scales with NDIV and RSET; enables battery-powered applications with multi-year runtime |
Pinout & Package
Package: 6-Lead Plastic TSOT-23 (S6), 1mm profile, RoHS-compliant, lead-free finish. Exposed pad not present in S6 package.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V+ | Power Supply Input | 2.25V–5.5V supply; must be bypassed with 0.1µF capacitor to GND for stable oscillation |
| DIV | Divider & Polarity Control | 4-bit A/D input; resistor divider sets NDIV (1–16384) and POL bit for output inversion |
| SET | Frequency-Setting Input | Internally regulated to 1.00V; RSET to GND programs master oscillator frequency (ISET = 1V/RSET) |
| MOD | Analog PWM Control | 0.1•VSET to 0.9•VSET (≈100mV–900mV) sets duty cycle; clamped at 5%/95% for LTC6992-2 |
| GND | Ground Reference | Low-inductance ground plane connection required; shared return for all pins including SET and MOD |
| OUT | PWM Output | CMOS rail-to-rail output; ±20mA drive capability; rise/fall times <2.7ns at 2.25V with 5pF load |
Key Features
| Feature | Design Value |
|---|---|
| Resistor-programmed frequency | Single RSET (50kΩ–800kΩ) sets fOUT without crystal or external clock; simplifies BOM and layout |
| 0V–1V analog duty control | Linear VMOD input eliminates need for DAC or microcontroller PWM peripheral; reduces system complexity |
| Automotive temperature grade | –55°C to 125°C operation with AEC-Q100 qualification; suitable for engine control, lighting, and ADAS modules |
| Low power consumption | As low as 105µA at 2.25V/800kΩ/NDIV≥16; enables always-on timing in energy-constrained IoT sensors |
| Fast start-up time | 500µs typical; supports rapid enable/disable in power-gated subsystems without delay penalties |
Applications
| LED Dimming Control | Heater Control |
|---|---|
|
Use Scenario: Precise brightness regulation of automotive cabin LEDs across wide ambient temperatures. IC Role / Device Role / Timing Role: Voltage-controlled PWM generator providing stable 5%–95% duty cycle independent of supply variation. Use Value: Eliminates microcontroller dependency and DAC; maintains consistent luminance despite battery voltage sag or thermal drift. |
Use Scenario: Closed-loop thermal management in industrial heating elements using PID-derived analog control voltage. IC Role / Device Role / Timing Role: Analog-input PWM driver converting 0–1V control signal into proportional power delivery. Use Value: Replaces discrete op-amp + comparator circuits; reduces component count and improves long-term stability vs. RC timers. |
| PWM Servo Loops | High-Vibration Environments |
|
Use Scenario: Position control of RC-style servos in robotics where microcontroller PWM resolution is insufficient. IC Role / Device Role / Timing Role: High-accuracy, low-jitter PWM source synchronized to external analog command voltage. Use Value: Delivers sub-1% duty cycle linearity error and <0.4%P-P period jitter at NDIV=4, enabling smooth motion without cogging. |
Use Scenario: Timing-critical functions in aerospace actuators subject to shock, vibration, and extreme thermal cycling. IC Role / Device Role / Timing Role: Robust silicon oscillator immune to mechanical stress-induced frequency shift. Use Value: Guaranteed ±1.7% frequency accuracy over –55°C to 125°C and <90ppm/√kHr long-term drift ensure mission-critical reliability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar voltage-controlled PWM applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LTC6992IS6-2#TRPBF | Same architecture and pinout; rated for –40°C to 85°C (not –55°C to 125°C) | Not qualified for extended automotive or military-grade thermal environments | Select when operating temperature stays above –40°C and AEC-Q100 MP-grade is unnecessary |
| LTC6992HDCB-2#TRPBF | Same -2 variant functionality; DFN package (2mm × 3mm) instead of TSOT-23; higher thermal performance (θJC = 10.6°C/W) | Better suited for high-power-density PCBs where thermal dissipation is critical | Choose for space-constrained designs needing lower junction-to-case resistance and improved heat spreading |
Compared with LTC6992IS6-2#TRPBF, the LTC6992MPS6-2#TRPBF provides 15°C lower minimum operating temperature and AEC-Q100 MP-grade assurance; compared with LTC6992HDCB-2#TRPBF, it offers smaller board footprint and compatibility with legacy TSOT-23 footprints but with higher θJA (192°C/W).
Availability
LTC6992MPS6-2#TRPBF is available at Aetrix Electronics and suitable for LED dimming control, heater control, and PWM servo loops requiring stable component supply across automotive, industrial, and aerospace applications.
Supply support for LTC6992MPS6-2#TRPBF 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
Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and healthcare markets.
The LTC6992MPS6-2#TRPBF belongs to the TimerBlox family-designed for plug-and-play timing functions with minimal external components, targeting applications where microcontroller-based timing lacks precision, power efficiency, or robustness.
FAQ
What is the minimum and maximum duty cycle supported by the LTC6992MPS6-2#TRPBF?
The LTC6992MPS6-2#TRPBF is the -2 variant of the TimerBlox family and supports a hard-clamped duty cycle range of 5% to 95%. This means the output will not drop below 5% or exceed 95%, regardless of MOD pin voltage beyond the linear range (0.1•VSET to 0.9•VSET). This behavior prevents unintended full-on or full-off states in safety-critical drive circuits.
How do I set the output frequency of the LTC6992MPS6-2#TRPBF?
The output frequency of the LTC6992MPS6-2#TRPBF is set using two elements: an external resistor RSET connected between the SET pin and GND, and the voltage applied to the DIV pin. RSET determines the master oscillator frequency (fMASTER = 1MHz × 50kΩ / RSET), while the DIV pin voltage selects the division ratio NDIV (1, 4, 16, ..., 16384). Final fOUT = fMASTER / NDIV.
Does the LTC6992MPS6-2#TRPBF require a microcontroller to operate?
No, the LTC6992MPS6-2#TRPBF operates autonomously without firmware or digital control. It uses analog inputs (MOD for duty cycle, DIV for frequency division, and RSET for base frequency) and requires only passive components: one resistor for frequency setting and optionally two resistors for DIV programming. This makes the LTC6992MPS6-2#TRPBF ideal for standalone, low-complexity timing functions.
What is the operating temperature range of the LTC6992MPS6-2#TRPBF?
The LTC6992MPS6-2#TRPBF is an MP-grade part specified for operation from –55°C to 125°C. This extended range, combined with AEC-Q100 qualification, confirms its suitability for under-hood automotive, downhole oil/gas, and military applications where extreme thermal resilience is mandatory.
Can the LTC6992MPS6-2#TRPBF drive an LED directly?
The LTC6992MPS6-2#TRPBF OUT pin provides ±20mA CMOS drive strength and rail-to-rail swing (GND to V+), but direct LED connection is not recommended without current limiting. To drive an LED safely, place a series resistor between OUT and the LED anode (for high-side) or cathode (for low-side) to limit peak current to ≤20mA. For higher-current loads, use the LTC6992MPS6-2#TRPBF to control an external MOSFET.
LTC6992MPS6-2#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- TimerBlox®
- Package/Case:
- SOT-23-6 Thin, TSOT-23-6
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Oscillator, Silicon
- Count:
- -
- Frequency:
- 3.81Hz ~ 1MHz
- Voltage - Supply:
- 2.25V ~ 5.5V
- Current - Supply:
- 365 µA
- Operating Temperature:
- -55°C ~ 125°C
- Supplier Device Package:
- TSOT-23-6
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC6992MPS6-2#TRPBF FAQ
1.How can I place an order for LTC6992MPS6-2#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6992MPS6-2#TRPBF 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 LTC6992MPS6-2#TRPBF reliable?
The price and inventory of LTC6992MPS6-2#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6992MPS6-2#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC6992MPS6-2#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC6992MPS6-2#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC6992MPS6-2#TRPBF?
LTC6992MPS6-2#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6992MPS6-2#TRPBF 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 LTC6992MPS6-2#TRPBF?
For technical support, including LTC6992MPS6-2#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6992MPS6-2#TRPBF requirements.
6.How does Aetrix verify that LTC6992MPS6-2#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC6992MPS6-2#TRPBF 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 LTC6992MPS6-2#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC6992MPS6-2#TRPBF?
All LTC6992MPS6-2#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6992MPS6-2#TRPBF, 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 LTC6992MPS6-2#TRPBF part is unused and in its original packaging.
Return procedure for LTC6992MPS6-2#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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