My Inquiry
My Account
Texas Instruments BQ25758RRVR
- Part No.:
- BQ25758RRVR
- Manufacturer:
- Texas Instruments
- Package:
- 36-VFQFN Exposed Pad
- Datasheet:
-
BQ25758RRVR.pdf
- Description:
- BATTERY MANAGEMENT IC
- Quantity:
- Payment:
- Shipping:
Inventory:4,244
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
BQ25758RRVR from Texas Instruments is a bidirectional synchronous buck-boost DC/DC controller supporting USB-PD Extended Power Range (EPR) in both forward and reverse power flow. It operates across 4.2V–60V input/output, delivers ±2% output voltage regulation and ±3% current regulation, and integrates 16-bit ADC monitoring for voltage, current, and temperature - deployed in high-density docking stations and EPR-compliant monitors.
For engineers reviewing the BQ25758RRVR datasheet, BQ25758RRVR pinout, BQ25758RRVR application, or BQ25758RRVR equivalent, key selection criteria include its I²C-controlled bidirectional CC-CV regulation, hardware-programmable current limits via IIN/IOUT pins, 200–600 kHz adjustable switching frequency, bypass mode for VOUT = VAC operation, and integrated loop compensation eliminating external compensation components.
Technical Context
The BQ25758RRVR implements a dual-phase synchronous buck-boost topology with independent high-side and low-side N-FET drivers per stage (HIDRV1/LODRV1 for buck, HIDRV2/LODRV2 for boost), supported by bootstrap supplies (BTST1/BTST2) and dedicated current-sense inputs (SRP/SRN, ACP/ACN). Its bidirectional control enables regulated power delivery from source to load (forward) or load to source (reverse), with independent input and output voltage/current regulation registers (VAC_DPM, VAC_REV, IAC_REG, IOUT_REG).
Control architecture combines I²C host interface (SCL/SDA) with resistor-programmable hardware limits (IIN, IOUT, MODE, FSW_SYNC, ACUV/ACOV), enabling system-level coordination without firmware dependency. Integrated 16-bit ADC supports real-time telemetry with selectable conversion speed (6–24 ms) and resolution (12–15 bits), while safety features include programmable OVP/UVP on both sides, thermal shutdown at 150°C, and multi-level overload protection (ILIM2/ILIM3).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 4.2V to 60V - supports wide-range AC adapters and battery sources including USB-PD EPR inputs |
| Output Voltage Range | 3.3V to 60V in 20mV steps - enables precise CV regulation for diverse system rails |
| Current Regulation Range | 400mA to 20A in 50mA steps using 5mΩ sense resistor - covers USB-PD EPR up to 280W |
| Switching Frequency | 200kHz to 600kHz - adjustable via FSW_SYNC resistor or external clock sync for EMI optimization |
| Voltage Regulation Accuracy | ±2% - ensures stable output under varying load, line, and temperature conditions |
| ADC Resolution | 12–15 bits - selectable trade-off between measurement speed (6–24 ms) and precision for telemetry |
| Thermal Shutdown Threshold | 150°C rising / 135°C falling - hysteresis prevents oscillation during thermal stress |
Pinout & Package
36-pin 5mm × 6mm VQFN package (RRV) with exposed thermal pad soldered to PGND for thermal and electrical integrity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| SCL / SDA | I²C interface clock/data | Enable host-configurable register access for dynamic voltage/current setpoints and fault reporting |
| IIN / IOUT | Hardware current limit programming | Set max input/output current via resistor-to-PGND; overrides I²C limits when enabled |
| SRP / SRN / ACP / ACN | Differential current sensing | Supports Kelvin-connected 5mΩ sense resistors for accurate bidirectional current measurement |
| HIDRV1 / LODRV1 / HIDRV2 / LODRV2 | N-FET gate drivers | Integrated 5V drivers with <3.4Ω turn-on resistance enable efficient external MOSFET control |
| VAC / VO_SNS | Input/output voltage sensing | Kelvin-sense inputs for precise regulation feedback independent of PCB trace drops |
| MODE | Operation mode select | Resistor-to-PGND configures buck-only vs buck-boost topology without firmware change |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional CC-CV regulation | Enables USB-PD EPR compliance in both forward (source→load) and reverse (load→source) modes with independent voltage/current targets |
| Integrated loop compensation | Eliminates external compensation network, reducing BOM count and layout sensitivity for stable buck-boost operation |
| Bypass mode (VOUT = VAC) | Direct conduction path achieves >99% efficiency when input and output voltages match, minimizing heat generation |
| Multi-level overload protection | ILIM2 (150–200%) and ILIM3 (20A absolute) provide graded response to transient overloads without immediate shutdown |
| Programmable PFM/PWM operation | Light-load efficiency improved via automatic PFM entry; forced PWM maintains regulation stability under dynamic loads |
Applications
| USB-PD EPR Docking Station | High-Power Monitor Power Delivery |
|---|---|
Use Scenario: Desktop docking station delivering up to 280W via USB-C to laptop while powering peripherals and video outputs. IC Role / Device Role / Timing Role: Bidirectional buck-boost controller regulating 5–48V input to 20V system rail and managing reverse power flow for laptop battery charging. Use Value: Enables single-cable 280W EPR delivery with ±2% output voltage accuracy and real-time current telemetry via integrated 16-bit ADC. |
Use Scenario: 4K/8K monitor accepting variable input (15–48V) from USB-C PD source and generating stable 12V/5V rails for display panel and logic. IC Role / Device Role / Timing Role: Wide-input buck-boost controller maintaining constant output despite input fluctuations, with bypass mode engaged during 20V–20V operation. Use Value: Delivers >96% efficiency across 0.5–5A load range and supports seamless transition between forward/reverse modes for auxiliary power sourcing. |
| Industrial USB-C Power Hub | Battery Backup System Interface |
Use Scenario: Ruggedized USB-C hub for factory automation equipment requiring stable 24V power and data connectivity under variable input conditions. IC Role / Device Role / Timing Role: Input voltage regulator with programmable ACUV/ACOV thresholds protecting against brownouts and surges in industrial environments. Use Value: ±3% input current regulation and thermal shutdown at 150°C ensure reliable operation in uncontrolled ambient conditions. |
Use Scenario: UPS or portable power station interfacing lithium battery pack (12–58V) with USB-C EPR port for bidirectional energy transfer. IC Role / Device Role / Timing Role: Reverse-mode controller regulating battery voltage to fixed output (e.g., 20V) while enforcing precise current limits during discharge/charge cycles. Use Value: Hardware-set IOUT limit (via resistor) provides fail-safe current capping independent of host communication loss. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bidirectional buck-boost controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BQ25756RGER | Same family, 32-pin QFN; lacks reverse-mode current regulation and TS input; lower max output current (15A vs 20A) | Targeted at cost-sensitive forward-only USB-PD applications without battery backup or thermal monitoring | Select when reverse power flow and full EPR current range are not required |
| MP8859GQ-Z | Monolithic 4-switch buck-boost IC (integrated FETs); 3.5–28V input; no reverse current regulation; no I²C interface | Used in space-constrained consumer electronics where discrete FETs are impractical and bidirectional control is unnecessary | Choose for simplified layout and lower component count where USB-PD EPR and telemetry are not needed |
Compared with BQ25758RRVR, BQ25756RGER offers reduced feature set and pin count for forward-only use, while MP8859GQ-Z trades configurability and bidirectionality for integration and compactness - neither matches the full USB-PD EPR telemetry, reverse CC regulation, and hardware/firmware dual-control capability of BQ25758RRVR.
Availability
BQ25758RRVR is available at Aetrix Electronics and suitable for USB-PD EPR docking stations, high-power monitors, and industrial USB-C power hubs requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for BQ25758RRVR 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 leader specializing in analog and embedded processing technologies, with decades of expertise in power management IC design and USB-PD ecosystem development.
The BQ25758RRVR belongs to TI's BQ257xx bidirectional buck-boost controller family, engineered specifically for USB-PD Extended Power Range systems requiring high-efficiency, software-configurable, and hardware-fail-safe power conversion across 4.2V–60V domains.
FAQ
What is the maximum supported USB-PD EPR power level for BQ25758RRVR?
The BQ25758RRVR supports USB-PD Extended Power Range up to 280W (20V/14A or 28V/10A) through its 400mA–20A output current regulation range with 5mΩ sense resistor and ±3% accuracy. Its 3.3V–60V output voltage range and bidirectional capability enable full EPR compliance in both forward and reverse directions, making it suitable for next-generation high-power docking and monitor applications.
Does BQ25758RRVR require external compensation components?
No, the BQ25758RRVR integrates full loop compensation for its buck-boost converter, eliminating the need for external Type-II or Type-III compensation networks. This reduces design complexity, PCB area, and component count while ensuring stable operation across its 4.2V–60V input/output range and 200–600 kHz switching frequency band - verified in TI's reference designs and electrical characteristics tables.
How does BQ25758RRVR handle thermal management in high-power applications?
The BQ25758RRVR incorporates thermal shutdown at 150°C (rising) with 15°C hysteresis (135°C falling), plus junction-to-board thermal resistance of 9.9°C/W in its 5mm × 6mm QFN package. The exposed thermal pad must be soldered to PGND with star-connected vias for effective heat dissipation. These features, combined with optional PFM mode for light-load efficiency, ensure robust thermal performance in sustained 20A operation.
Can BQ25758RRVR operate in buck-only mode without firmware configuration?
Yes, the BQ25758RRVR supports hardware-selectable buck-only mode via the MODE pin: connecting a resistor from MODE to PGND configures the device for buck operation only, independent of I²C commands. This provides fail-safe topology selection during startup or host communication failure, and is documented in Section 4.1 and Figure 6-13 of the datasheet.
What ADC capabilities does BQ25758RRVR provide for system telemetry?
The BQ25758RRVR integrates a 16-bit ADC with configurable resolution (12–15 bits) and conversion time (6–24 ms) for real-time monitoring of input/output voltage, current (via SRP/SRN and ACP/ACN), and die temperature (via TS pin). ADC LSBs are 2mV for voltage and 2mA for current measurements, enabling precise closed-loop telemetry without external sensors or converters.
BQ25758RRVR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 36-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- -
- Output Configuration:
- -
- Topology:
- -
- Output Type:
- -
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 4.4V
- Voltage - Input (Max):
- 26V
- Voltage - Output (Min/Fixed):
- 5V
- Voltage - Output (Max):
- 26V
- Current - Output:
- 20A
- Frequency - Switching:
- 200kHz ~ 600kHz
- Synchronous Rectifier:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 36-VQFN (5x6)
BQ25758RRVR FAQ
1.How can I place an order for BQ25758RRVR through Aetrix?
Please submit a Request for Quotation (RFQ) for BQ25758RRVR 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 BQ25758RRVR reliable?
The price and inventory of BQ25758RRVR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BQ25758RRVR is usually 5 days.
3.What payment methods are accepted for BQ25758RRVR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BQ25758RRVR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BQ25758RRVR?
BQ25758RRVR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BQ25758RRVR 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 BQ25758RRVR?
For technical support, including BQ25758RRVR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BQ25758RRVR requirements.
6.How does Aetrix verify that BQ25758RRVR is sourced from the original manufacturer or authorized distributors?
All BQ25758RRVR 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 BQ25758RRVR meets industry standards.
7.What is the process for return or replacement of BQ25758RRVR?
All BQ25758RRVR units undergo pre-shipment inspection (PSI). If there is an issue with BQ25758RRVR, 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 BQ25758RRVR part is unused and in its original packaging.
Return procedure for BQ25758RRVR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BQ25758RRVR Tags
-
TPS562201DDCR
Texas Instruments
-
MC34063ABD-TR
STMicroelectronics
-
TPS561201DDCR
Texas Instruments
-
MC33063ADR
Texas Instruments
-
MC34063ADR
Texas Instruments
-
TPS560200DBVR
Texas Instruments
-
AP3012KTR-G1
Diodes Incorporated
-
TLV61048DBVR
Texas Instruments
-
AZ34063UMTR-G1
Diodes Incorporated
-
TPS562200DDCR
Texas Instruments
-
AP62300TWU-7
Diodes Incorporated
-
MC34063EBD-TR
STMicroelectronics
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
