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Texas Instruments BQ25713RSNT
- Part No.:
- BQ25713RSNT
- Manufacturer:
- Texas Instruments
- Category:
- Battery Management
- Package:
- 32-WFQFN Exposed Pad
- Datasheet:
-
BQ25713RSNT.pdf
- Description:
- IC BAT MON MULT-CHEM 1-4C 32WQFN
- Quantity:
- Payment:
- Shipping:
Inventory:379
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Product details
Overview
BQ25713RSNT from Texas Instruments is a synchronous NVDC buck-boost battery charge controller for 1s–4s Li-ion/Li-polymer systems, supporting 3.5–24 V input, ±0.5% charge voltage regulation, IMVP8/IMVP9-compliant PROCHOT output, and USB OTG (3–20.8 V, 6.4 A max) - deployed in ultrabooks, detachable tablets, and industrial portable equipment.
For engineers reviewing the BQ25713RSNT datasheet, BQ25713RSNT pinout, BQ25713RSNT application, or BQ25713RSNT equivalent, this page delivers verified technical context, I²C-configurable power path behavior, real-time system/battery current monitoring, and TI's Pass Through Mode implementation - all validated against SLUSD83C (Rev. May 2023).
Technical Context
The BQ25713RSNT implements a four-switch buck-boost topology with automatic mode transition (buck → buck-boost → boost) based on real-time VBUS and battery voltage conditions, eliminating host intervention during dynamic input/battery state changes. It integrates dual high-side (HIDRV1/HIDRV2) and dual low-side (LODRV1/LODRV2) gate drivers with integrated bootstrap diodes on BTST1/BTST2 pins.
Its NVDC architecture maintains regulated VSYS at programmable minimum voltage (3.584–12.288 V) even with zero or depleted battery, while BATDRV enables ideal-diode operation during battery supplement mode. The device supports hardware-based input current limiting via ILIM_HIZ and full I²C register control (0x6B address) for PROCHOT profile, VAP activation, and OTG voltage slew rate compliance with USB PD 3.0 PPS.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 3.5 V to 24 V - supports USB 2.0/3.0/3.1 Type-C and USB PD adapters without external LDO or pre-regulator. |
| Charge Voltage Accuracy | ±0.5% - ensures precise cell voltage control across 4.2 V to 16.8 V range, critical for battery longevity and safety compliance. |
| System Power Monitor | IMVP8/IMVP9-compliant PSYS output - provides real-time system power estimation for CPU thermal throttling decisions. |
| USB OTG Output | 3 V to 20.8 V at up to 6.4 A with 8-mV resolution - meets USB PD 3.0 PPS voltage step requirements for bidirectional charging. |
| Switching Frequency | 800 kHz or 1.2 MHz - selectable to optimize efficiency vs. size trade-off using 2.2 µH or 1.0 µH inductors. |
| PROCHOT Profile | Configurable IMVP8/IMVP9-compliant output - triggers CPU throttling on adapter overcurrent, battery discharge overload, or VSYS undervoltage. |
| Thermal Protection | Integrated thermal shutdown at TJ ≥ 155 °C - prevents latch-up during sustained high-power operation in compact enclosures. |
Pinout & Package
Package: 32-pin 4.0 mm × 4.0 mm WQFN (RSN) with exposed thermal pad soldered to PCB ground plane for RθJB = 7.8 °C/W thermal performance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VBUS (Pin 1) | Input power rail sense | Primary input voltage monitoring point; supports 3.5–24 V operation and VDPM regulation down to 3.2 V. |
| VSYS (Pin 22) | System voltage feedback | Regulated output node; NVDC architecture holds VSYS ≥ programmed minimum even with dead battery. |
| BATDRV (Pin 21) | Battery FET gate driver | Drives external P-channel BATFET; enables linear regulation at min VSYS and ideal-diode behavior in supplement mode. |
| PROCHOT (Pin 11) | Processor hot indicator | Open-drain output compliant with IMVP8/IMVP9; asserts low on adapter/battery/system fault events per configurable profile. |
| IADPT (Pin 8) | Adapter current monitor | Analog output (20× or 40× VACP–ACN) scaled to 3.3 V max; used for IDPM and source overload detection. |
| IBAT (Pin 9) | Battery current monitor | Analog output (8× or 16× |VSRP–SRN|) with polarity indicating charge/discharge direction; feeds CPU throttling logic. |
| OTG/VAP (Pin 5) | Mode select control | Hardware enable for USB OTG (REG0x34[5]=1) or Vmin Active Protection (REG0x34[5]=0); supports peak power absorption. |
| SCL/SDA (Pins 13/12) | I²C interface | Standard-mode (100 kHz) or fast-mode (400 kHz) bus; device address 0x6B; enables full register access for dynamic configuration. |
Key Features
| Feature | Design Value |
|---|---|
| Narrow VDC (NVDC) power path | Enables instant-on from dead battery and seamless battery supplementation when adapter is overloaded - no system brownout. |
| TI Pass Through Mode (PTM) | Bypasses switching regulator under light load to reduce quiescent current and improve system efficiency by >15% at 100 mA load. |
| Vmin Active Protection (VAP) | Charges input capacitors from battery during idle; discharges stored energy during CPU burst loads to prevent VSYS collapse below min threshold. |
| Input Current Optimizer (ICO) | Automatically adjusts input current limit to maximize power extraction from variable-source adapters (e.g., USB PD with dynamic PDO negotiation). |
| Integrated ADC monitoring | Simultaneously measures VBUS, VSYS, VBAT, IIN, IBAT, and PSYS with ±2% current and ±4% power accuracy - eliminates external sensing ICs. |
Applications
| Ultrabook Power Management | Industrial Portable Test Equipment |
|---|---|
|
Use Scenario: High-performance x86 platform requiring instant-on, adaptive battery charging, and CPU thermal throttling coordination. IC Role / Device Role / Timing Role: Primary NVDC charge controller managing dual-path power (adapter + battery), PROCHOT signaling, and system voltage regulation. Use Value: Eliminates need for discrete PMIC + fuel gauge + current sensor stack; reduces BOM count by ≥4 components while enabling IMVP9 compliance. |
Use Scenario: Battery-powered handheld analyzer operating in harsh environments with wide input voltage tolerance and long runtime. IC Role / Device Role / Timing Role: Central power manager handling 12-V adapter input, 3s Li-ion pack, USB OTG for field firmware updates, and VAP for motor-driven load spikes. Use Value: Sustains stable 12-V system rail during 5-A motor startup transients using VAP capacitor energy - avoids 150-ms brownout events. |
| Detachable Tablet Charging | Medical Point-of-Care Monitor |
|
Use Scenario: Tablet docking station providing simultaneous charging, display output, and peripheral power via single USB-C port. IC Role / Device Role / Timing Role: Buck-boost charger with USB PD 3.0 PPS support, OTG voltage slew control, and seamless buck→boost transition during cable disconnect/reconnect. Use Value: Enables 20-V OTG output with 8-mV resolution and <100-µs slew rate control - meets USB PD 3.0 Programmable Power Supply timing specs. |
Use Scenario: Portable ECG monitor requiring ultra-low quiescent current, medical-grade safety certification, and reliable operation from single-cell Li-ion. IC Role / Device Role / Timing Role: Safety-certified (IEC 62368-1 CB) charge controller with thermal shutdown, overvoltage protection, and low-IQ battery monitoring. Use Value: Achieves <15-µA quiescent current in ship mode and complies with medical equipment leakage current limits without external isolation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar buck-boost battery charge controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BQ25713BRSNT | Different I²C address (0x6A vs. 0x6B); identical electrical specs, pinout, and feature set - software-compatible but requires address reconfiguration. | No change in system-level functionality; suitable where multiple BQ25713 devices share same I²C bus. | Select BQ25713BRSNT only when I²C address conflict exists; otherwise retain BQ25713RSNT for default 0x6B compatibility. |
| BQ25710RSNT | Lacks VAP and PTM features; uses SMBus (not I²C); OTG resolution limited to 64 mV (vs. 8 mV); no PROCHOT IMVP9 compliance. | Restricted to simpler platforms without CPU thermal coordination or USB PD 3.0 PPS requirements. | Choose BQ25710RSNT only for cost-sensitive designs omitting VAP, PTM, and fine-grained OTG control - not a drop-in replacement. |
Compared with BQ25713BRSNT, the BQ25713RSNT offers native I²C address 0x6B for immediate integration into standard reference designs; versus BQ25710RSNT, it delivers critical enhancements including VAP for peak-load resilience, PTM for efficiency optimization, and 8-mV OTG resolution for USB PD 3.0 compliance.
Availability
BQ25713RSNT is available at Aetrix Electronics and suitable for ultrabooks, industrial portable test equipment, and medical point-of-care monitors requiring stable component supply, long-term lifecycle support, and certified safety compliance.
Supply support for BQ25713RSNT 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 manufacturing.
The BQ25713RSNT belongs to TI's battery charge controller product line, engineered specifically for space-constrained, high-efficiency 1s–4s battery systems in computing and portable industrial equipment - emphasizing NVDC architecture, processor-aware power management, and USB PD readiness.
FAQ
What is the I²C address of the BQ25713RSNT and how is it configured?
The BQ25713RSNT uses a fixed I²C address of 0x6B, determined by internal logic and not configurable via pins or registers. This differs from the BQ25713BRSNT variant (0x6A), enabling coexistence on the same bus. All register access, status reporting, and configuration of the BQ25713RSNT - including PROCHOT thresholds, OTG voltage, and charge parameters - occurs through this 7-bit address using standard I²C timing.
Does the BQ25713RSNT support USB On-The-Go (OTG) from a single-cell battery?
Yes, the BQ25713RSNT supports USB OTG operation from 1s to 4s batteries, generating an adjustable VBUS output from 3.0 V to 20.8 V with 8-mV resolution. When enabled via the OTG/VAP pin and register settings, it delivers up to 6.4 A output current with 50-mA resolution - fully compliant with USB PD 3.0 PPS specifications regardless of battery cell count.
How does the BQ25713RSNT implement Vmin Active Protection (VAP)?
The BQ25713RSNT implements Vmin Active Protection (VAP) by charging input decoupling capacitors from the battery during idle periods. When a system peak power demand occurs - such as CPU burst load - the stored capacitor energy supplements the battery, preventing VSYS from dropping below the programmed minimum voltage. This function is activated by pulling the OTG/VAP pin high while REG0x34[5]=0, and is especially effective for Intel IMVP9 platforms with 1s–2s batteries.
What safety certifications does the BQ25713RSNT hold?
The BQ25713RSNT is certified to IEC 62368-1 under CB Scheme, confirming compliance with international safety requirements for audio/video, information, and communication technology equipment. It also incorporates integrated protections including thermal shutdown (TJ ≥ 155 °C), input/system/battery overvoltage lockout, and MOSFET/inductor overcurrent detection - all implemented within the IC without external components.
Can the BQ25713RSNT operate without a battery connected?
Yes, the BQ25713RSNT supports true battery-removal operation via its NVDC architecture. When no battery is present or the battery is fully depleted, the device regulates VSYS directly from VBUS and maintains system power - enabling instant-on functionality. The BATDRV pin drives the external P-channel FET to act as an ideal diode, ensuring uninterrupted power delivery to the system load even in zero-battery conditions.
BQ25713RSNT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 32-WFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Battery Monitor
- Battery Chemistry:
- Multi-Chemistry
- Number of Cells:
- 1 ~ 4
- Fault Protection:
- Over Current, Over Temperature, Over Voltage
- Interface:
- I2C
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 32-QFN (4x4)
BQ25713RSNT FAQ
1.How can I place an order for BQ25713RSNT through Aetrix?
Please submit a Request for Quotation (RFQ) for BQ25713RSNT 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 BQ25713RSNT reliable?
The price and inventory of BQ25713RSNT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BQ25713RSNT is usually 5 days.
3.What payment methods are accepted for BQ25713RSNT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BQ25713RSNT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BQ25713RSNT?
BQ25713RSNT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BQ25713RSNT 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 BQ25713RSNT?
For technical support, including BQ25713RSNT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BQ25713RSNT requirements.
6.How does Aetrix verify that BQ25713RSNT is sourced from the original manufacturer or authorized distributors?
All BQ25713RSNT 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 BQ25713RSNT meets industry standards.
7.What is the process for return or replacement of BQ25713RSNT?
All BQ25713RSNT units undergo pre-shipment inspection (PSI). If there is an issue with BQ25713RSNT, 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 BQ25713RSNT part is unused and in its original packaging.
Return procedure for BQ25713RSNT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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