TPS7A1601DGNR - 60V, 5uA IQ, 100mA LDO | Texas Instruments
MPN: TPS7A1601DGNR β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.52 | $1.52 |
| 10 | $1.36 | $13.60 |
| 100 | $1.09 | $109.00 |
| 500 | $0.92 | $460.00 |
| 1,000 | $0.78 | $780.00 |
Drop-in alternatives for TPS7A1601DGNR β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
TPS7A1601DGNT
β Drop-Inπ Reference alternative (not in catalog)
TPS7A1633DGNR
β Drop-Inπ Reference alternative (not in catalog)
TPS7A1650DGNR
β Drop-Inπ Reference alternative (not in catalog)
TPS7A4901DGNR
β Drop-Inπ Reference alternative (not in catalog)
LT3015EDD
β Drop-Inπ Reference alternative (not in catalog)
TPS7A1601DGNR Maximum Ratings & Electrical Characteristics
| Output Type | Adjustable |
| Output Voltage Range | 1.2 V to 18.5 V |
| Maximum Output Current | 100 mA |
| Input Voltage Range | 3 V to 60 V |
| Dropout Voltage | 300 mV at 100 mA (typical) |
| Quiescent Current | 5 Β΅A (typical) |
| Power Supply Rejection Ratio | [DATA_NEEDED: PSRR at 1 kHz] |
| Output Noise | [DATA_NEEDED: Output noise voltage] |
| Enable Pin | Yes (active-high) |
| Power Good Output | Yes (open-drain, active-high) |
| Operating Temperature Range | -40Β°C to +125Β°C |
| Package | HVSSOP-8 (DGN) |
| Mounting Type | Surface Mount |
| MSL Level | [DATA_NEEDED: MSL Level] |
| RoHS Status | Compliant |
| Thermal Resistance (ΞΈJA) | [DATA_NEEDED: ΞΈJA for HVSSOP-8] |
TPS7A1601DGNR Pin Configuration
| Pin 1 | IN β Input voltage supply |
| Pin 2 | GND β Ground |
| Pin 3 | EN β Enable (active high) |
| Pin 4 | NR/SS β Noise reduction/soft-start capacitor |
| Pin 5 | PG β Power good output (open-drain) |
| Pin 6 | FB β Feedback voltage sense |
| Pin 7 | OUT β Regulated output voltage |
| Pin 8 | OUT β Regulated output voltage (connected to pin 7) |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
TPS7A1601DGNR is suitable for 6 applications: Battery-Powered Industrial Sensors, Automotive Body Control Modules, Always-On Microcontroller Power, Portable Medical Devices, Industrial 24V Bus Power Supply, IoT Smart Home Devices.
Battery-Powered Industrial Sensors
The TPS7A1601DGNR's ultra-low quiescent current of 5 Β΅A and wide input range (3 V to 60 V) make it ideal for battery-powered industrial sensors that must operate for years on a single battery. The LDO provides a stable 3.3 V or 5 V rail for the sensor's microcontroller and analog front-end, while the enable pin allows the MCU to power down the regulator during sleep modes, further extending battery life. The power-good output can signal the MCU when the output is stable, ensuring reliable startup. With a dropout of only 300 mV, the regulator can operate efficiently even as the battery voltage declines, maximizing usable battery capacity.
Recommended
Automotive Body Control Modules
In automotive body control modules, the TPS7A1601DGNR regulates battery voltage (typically 12 V) down to a stable 3.3 V or 5 V rail for microcontrollers and CAN transceivers. Its 60 V input rating handles load dump transients and cold-crank conditions, ensuring reliable operation in harsh automotive environments. The enable pin allows the body control module to shut down the regulator when the vehicle is off, reducing battery drain. The power-good output with programmable delay enables proper sequencing of the MCU and peripheral power rails. The -40Β°C to +125Β°C operating range meets automotive temperature requirements, and the small HVSSOP-8 package fits space-constrained PCB layouts.
Recommended
Always-On Microcontroller Power
The TPS7A1601DGNR is ideal for always-on microcontroller power in smart meters, home automation, and industrial controllers. Its 5 Β΅A quiescent current minimizes standby power, crucial for devices that remain powered 24/7. The wide input range allows direct connection to 24 V industrial supplies or 12 V batteries without a pre-regulator, simplifying the power tree. The enable pin can be used to implement a low-power sleep mode, and the power-good output ensures the MCU starts only when the output is stable. The low dropout voltage of 300 mV ensures efficient operation even with small input-to-output differentials, reducing heat dissipation in enclosed enclosures.
Recommended
Portable Medical Devices
In portable medical devices like glucose monitors and wearable health trackers, the TPS7A1601DGNR provides a clean, stable supply rail for sensitive analog front-ends and microcontrollers. Its ultra-low quiescent current extends battery life, which is critical for patient convenience and device reliability. The wide input range accommodates various battery chemistries (e.g., Li-ion, alkaline) and ensures consistent operation as the battery discharges. The enable pin allows the device to enter a low-power standby mode, and the power-good output can trigger an alert if the supply drops out of regulation. The small HVSSOP-8 package is suitable for compact, wearable designs.
Recommended
Industrial 24V Bus Power Supply
The TPS7A1601DGNR is well-suited for deriving low-voltage rails from a 24 V industrial bus. Its 60 V input rating provides ample margin for transients and surges common in factory automation. The regulator can directly step down 24 V to 3.3 V or 5 V for PLCs, sensors, and communication interfaces, eliminating the need for a separate DC-DC converter in low-power sections. The ultra-low quiescent current is beneficial in systems that must maintain a small standby power budget. The enable and power-good pins facilitate controlled startup and shutdown sequences, improving system reliability. The wide temperature range ensures operation in unheated factory environments.
Recommended
IoT Smart Home Devices
For IoT smart home devices such as smart thermostats, door locks, and environmental sensors, the TPS7A1601DGNR provides an efficient power solution. Its 5 Β΅A quiescent current is essential for battery-powered devices that need to last months or years. The wide input range allows operation from a variety of power sources, including USB, batteries, or AC adapters. The enable pin enables the device to enter a deep sleep mode, and the power-good output can wake the MCU when the supply is ready. The small package and low external component count (only two capacitors) simplify the BOM and PCB design, reducing time-to-market.
Recommended
Recommended Products Summary
Engineering reference data for TPS7A1601DGNR β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | TPS7A1601DGNT | TPS7A1633DGNR | TPS7A1650DGNR | TPS7A4901DGNR | LT3015EDD |
|---|---|---|---|---|---|---|
| Package | HVSSOP-8 (DGN) | HVSSOP-8 (DGN) | HVSSOP-8 (DGN) | HVSSOP-8 (DGN) | HVSSOP-8 (DGN) | HVSSOP-8 (DGN) |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Analog Devices |
| Output Voltage | Adjustable 1.2V to 18.5V | Adjustable 1.2V to 18.5V | Fixed 3.3V | Fixed 5.0V | Adjustable 1.2V to 33V | Adjustable -1.22V to -30V |
| Output Current | 100 mA | 100 mA | 100 mA | 100 mA | 150 mA | 1.5 A |
| Input Voltage Range | 3V to 60V | 3V to 60V | 3V to 60V | 3V to 60V | 3V to 36V | 1.9V to -30V |
| Quiescent Current | 5 Β΅A | 5 Β΅A | 5 Β΅A | 5 Β΅A | 6 Β΅A | 50 Β΅A |
| Enable Pin | Yes | Yes | Yes | Yes | Yes | Yes |
| Power Good Output | Yes | Yes | Yes | Yes | Yes | No |
Key Differentiators
- Ultra-low quiescent current of 5 Β΅A (vs LT3015EDD)
- Wide input voltage range up to 60V (vs TPS7A4901DGNR)
- Integrated power-good output with programmable delay (vs LT3015EDD)
Design Notes
Place a 1 Β΅F to 10 Β΅F ceramic input capacitor as close as possible to the IN pin to ensure stability and filter high-frequency noise. The output capacitor should be at least 2.2 Β΅F ceramic, placed close to the OUT pin. For optimal transient response, use a 10 Β΅F output capacitor. Connect the exposed thermal pad to a large copper area on the PCB to improve heat dissipation.
The TPS7A1601DGNR dissipates power as heat, especially at high input-to-output voltage differentials. For example, at VIN=24V, VOUT=3.3V, and 100mA load, power dissipation is approximately 2.07W. The HVSSOP-8 package has a thermal resistance (ΞΈJA) of approximately 50Β°C/W (verify from datasheet). This would result in a junction temperature rise of about 103Β°C above ambient, which may exceed the maximum rating. Use a heatsink or reduce the input voltage with a pre-regulator if necessary.
Do not exceed the absolute maximum input voltage of 60V. Ensure the enable pin is not left floating; tie it to IN if not used. The power-good output is open-drain and requires a pull-up resistor. The NR/SS pin can be left floating if not used, but adding a capacitor (e.g., 10 nF) reduces output noise and soft-starts the output. Use 1% tolerance resistors for the feedback divider to maintain output voltage accuracy.
Compliance Information
RoHS compliant per TI product page. Not AEC-Q100 qualified; for automotive, consider TPS7A16-Q1 variants if available.
