Counterfeit and defect prevention
Visual and packaging inspection
Electrical performance verification
Service Email:
[email protected]
>
BQ2004HSNTR
Texas Instruments
IC BATT CHG MULTI-CHEM 16SOIC
7264 Pcs New Original In Stock
Charger IC Multi-Chemistry 16-SOIC
Request Quote
(Ships tomorrow)
*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (421 Ratings)
BQ2004HSNTR
Product Overview
1256168
DiGi Electronics Part Number
BQ2004HSNTR-DGManufacturer
Texas Instruments
BQ2004HSNTR
Description
IC BATT CHG MULTI-CHEM 16SOICInventory
7264 Pcs New Original In Stock
Charger IC Multi-Chemistry 16-SOIC
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
How to Order
Shipping & Delivery
Quality Assurance
365 - Day Quality Guarantee - Every part fully backed.
90 - Day Refund or Exchange - Defective parts? No hassle.
Limited Stock, Order Now - Get reliable parts without worry.
Global Shipping & Secure Packaging
Worldwide Delivery in 3-5 Business Days
100% ESD Anti-Static Packaging
Real-Time Tracking for Every Order
Secure & Flexible Payment
Credit Card, VISA, MasterCard, PayPal, Western Union, Telegraphic Transfer(T/T) and more
All payments encrypted for security
BQ2004HSNTR Technical Specifications
Category
Power Management (PMIC), Battery Chargers
Packaging
Cut Tape (CT) & Digi-Reel®
Series
-
Product Status
Active
Battery Chemistry
Multi-Chemistry
Number of Cells
-
Current - Charging
Constant, Pulsed
Programmable Features
Voltage
Fault Protection
-
Charge Current - Max
-
Battery Pack Voltage
-
Voltage - Supply (Max)
5.5V
Interface
-
Operating Temperature
-20°C ~ 70°C (TA)
Mounting Type
Surface Mount
Package / Case
16-SOIC (0.154", 3.90mm Width)
Supplier Device Package
16-SOIC
Base Product Number
BQ2004
Datasheet & Documents
Manufacturer Product Page
BQ2004HSNTR Specifications
HTML Datasheet
BQ2004HSNTR-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
2156-BQ2004HSNTR
296-BQ2004HSNCT
296-BQ2004HSNTR
296-BQ2004HSNDKR
TEXTISBQ2004HSNTR
BQ2004HSNTR-DG
Standard Package
2,500
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
遇到售後問題時，客服積極協助，非常貼心。
de desembre 02, 2025
Delivery was punctual, and the entire logistics process was transparent.
de desembre 02, 2025
The website’s layout helps me compare options easily, improving my decision-making process.
de desembre 02, 2025
Pricing is competitive, but their support quality is second to none.
Publish Evalution
Evalution Message
Please enter your review message.
Please post honest comments and do not post ilegal comments.
Frequently Asked Questions (FAQ)
What are the key design risks when using the BQ2004HSNTR in a multi-chemistry battery charging system with lithium-ion and NiMH packs, and how can I ensure safe mode transitions between chemistries?
The BQ2004HSNTR supports multi-chemistry charging but requires careful firmware or hardware logic to prevent incorrect voltage/current settings during pack swapping, as it does not auto-detect chemistry. A critical risk is applying Li-ion charging parameters (e.g., 4.2V/cell) to a NiMH pack, which can cause overheating or venting. To mitigate this, implement a user-selectable chemistry switch or pack ID resistor network that configures the BQ2004HSNTR’s programmable voltage pin accordingly. Always validate charge termination logic—Li-ion relies on voltage taper and timer, while NiMH uses -ΔV detection—which the BQ2004HSNTR supports but must be correctly enabled via external timing components.
Can the BQ2004HSNTR safely replace the Linear Technology LTC4054 in a 5V USB-powered single-cell Li-ion charger design without redesigning the thermal management?
Direct replacement of the LTC4054 with the BQ2004HSNTR is not recommended without evaluation, despite both being linear Li-ion chargers. The BQ2004HSNTR operates up to 5.5V input and supports pulsed charging, but its 16-SOIC package has different thermal resistance (θJA ≈ 100°C/W) compared to the LTC4054’s SOT-23. At 500mA charge current with a 5V input and 3.7V battery, power dissipation is ~0.65W, potentially raising junction temperature beyond safe limits in compact designs without a thermal pad or airflow. Re-evaluate PCB copper area and consider reducing charge current or adding a small heatsink if replacing the LTC4054.
How does the BQ2004HSNTR handle charge current regulation under low input voltage conditions near its 5.5V maximum, and what impact does this have on charging efficiency in 5V adapter-powered systems?
The BQ2004HSNTR uses a linear regulation architecture, so as input voltage approaches the battery voltage plus dropout (~0.5–1V), charge current drops significantly due to reduced headroom. In 5V USB-powered systems where input can sag to 4.5V under load, charging a nearly full Li-ion cell (4.1–4.2V) may result in very low or zero current, prolonging charge time. To maintain consistent performance, ensure input supply can sustain >4.8V under full load, or consider a pre-regulator. This behavior is inherent to linear chargers—unlike switching alternatives—so the BQ2004HSNTR is best suited for applications where input voltage stability is guaranteed.
What reliability concerns should I consider when deploying the BQ2004HSNTR in industrial environments operating at the upper end of its -20°C to 70°C range, especially regarding long-term charge accuracy and fault response?
At sustained 70°C ambient, the BQ2004HSNTR’s internal voltage reference and current sense circuits may drift slightly, affecting charge termination accuracy—critical for battery longevity and safety. While the device is rated for this range, thermal cycling near the limit can degrade solder joints in the 16-SOIC package over time. Additionally, fault protection (e.g., overvoltage, timer expiry) remains functional, but response times may vary with temperature. For high-reliability industrial use, derate the maximum charge current by 20%, ensure adequate PCB thermal relief, and validate end-of-charge voltage tolerance across the full temperature range during qualification testing.
Is the BQ2004HSNTR compatible with JEITA-compliant charging profiles for lithium-ion batteries, and what external components or control logic are needed to meet safety standards in consumer electronics?
The BQ2004HSNTR does not natively support JEITA temperature-based charging adjustments, which require reducing charge current or suspending charging when battery temperature is outside 0–45°C. To comply, you must add an external NTC thermistor circuit connected to a microcontroller that monitors temperature and disables the BQ2004HSNTR’s enable pin or adjusts its charge current via the programming pin during out-of-range conditions. This adds complexity but is essential for consumer devices like power banks or medical wearables. Without this, the BQ2004HSNTR alone cannot meet JEITA guidelines, increasing risk of battery stress in cold or hot environments.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
BQ2004HSNTR CAD Models
Texas Instruments BQ2004HSNTR PCB symbols & footprints
productDetail
