Part A
MC33772CTP1AE
NXP USA Inc.
- Lifecycle
- Active
- Stock
- 9299 PCS
- Package
- LQFP-48
- Series
- PMIC - Gestão da Bateria
Replacement verdict
Compatible functional replacement candidate
The MC33772BTP2AER2 is a functionally compatible replacement candidate for the MC33772CTP1AE, sharing the same battery cell controller architecture, TPL communication interface, and 64-pin LQFP package. Designers should validate the differing qualification grade and temperature range against their specific application requirements before committing to a drop-in substitution.
Function and Architecture
High match
Package Type
High match
Operating Temperature Range
Validation required
Qualification Grade
Validation required
Parts at a glance
Part B
MC33772BTP2AER2
NXP USA Inc.
- Lifecycle
- Active
- Stock
- 7356 PCS
- Package
- LQFP-48
- Series
- PMIC - Gestão da Bateria
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | MC33772CTP1AE | MC33772BTP2AER2 | Why it matters |
|---|---|---|---|
| Manufacturer | NXP USA Inc. | NXP USA Inc. | Same manufacturer ensures consistent quality, documentation, and support ecosystem. |
| Function | Battery cell controller for automotive battery management systems | Battery cell controller for automotive battery management systems | Identical core function is the primary requirement for functional substitutability. |
| Number of Cell Channels | 6 | 6 | Determines how many battery cells each device can monitor, directly affecting system architecture. |
| Supply Voltage (V) | 5.0 to 30 | 5.0 to 30 | Operating voltage range must match the system power rail for direct drop-in compatibility. |
| Communication Interface | SPI | SPI | Interface protocol must match the host controller for communication compatibility. |
| Package / Case | 48-LQFP Exposed Pad | 48-LQFP Exposed Pad | Same package footprint allows direct PCB replacement without layout changes. |
| Mounting Type | Surface Mount | Surface Mount | Mounting style must match the assembly process and board design. |
| Operating Temperature Range | -40°C to 125°C | -40°C to 125°C | Thermal range must cover the application environment for reliable operation. |
| Product Status | Active | Active | Both being active ensures long-term availability and continued manufacturer support. |
Need help validating a replacement?
Send your BOM and application constraints for technical and sourcing review.
Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | MC33772CTP1AE | MC33772BTP2AER2 |
|---|---|---|
| Part Status | Active | Active |
| Function | Battery Cell Controller | Battery Cell Controller |
| Battery Chemistry | Lithium Ion | Lithium Ion |
| Number of Cells | 3 ~ 6 | 3 ~ 6 |
| Fault Protection | Over/Under Voltage | Over/Under Voltage |
| Interface | I²C, SPI | TPL |
| Operating Temperature | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What are the MC33772CTP1AE and MC33772BTP2AER2?
Both are NXP MC33772 series battery cell controller ICs for automotive and industrial battery management systems. They are functionally related members of the same MC33772 family, but they differ in specific ordering options and qualification or configuration variants as defined by NXP ordering information.
Are the MC33772CTP1AE and MC33772BTP2AER2 pin-to-pin compatible?
Both devices are offered in the same HVQFN package family used by the MC33772 series, but pin-to-pin compatibility must be confirmed against the specific NXP datasheet and ordering information for each part number, because the suffix codes indicate different product variants.
Can the MC33772CTP1AE be used as a direct drop-in replacement for the MC33772BTP2AER2?
Not necessarily. Although both belong to the MC33772 family, the different suffix codes indicate distinct ordering variants. A direct replacement requires verifying electrical parameters, configuration options, qualification level, and software compatibility against NXP documentation for both specific part numbers.
What is the primary function of these MC33772 devices?
The MC33772 is a battery cell controller that performs cell voltage measurement, cell balancing, and communication functions for battery management systems. It is designed for use in automotive and industrial battery packs.
Do the MC33772CTP1AE and MC33772BTP2AER2 support the same communication interface?
Both devices are part of the MC33772 family, which uses a transformer physical layer (TPL) or SPI communication interface depending on configuration. The exact supported interface for each variant must be confirmed from the respective NXP datasheet, as the suffix codes may indicate different interface or configuration options.
What are the key differences between the MC33772CTP1AE and MC33772BTP2AER2?
The differences are encoded in the NXP ordering suffix. The "C" and "B" prefixes, as well as the "TP1" and "TP2" segments, indicate different product variants, which may include differences in qualification grade, temperature range, communication configuration, or packaging. Exact differences must be verified from NXP ordering information and datasheets.
Are these devices suitable for automotive applications?
The MC33772 family is designed for automotive battery management applications. However, the specific qualification level (such as AEC-Q100 grade) for each variant must be confirmed from the NXP datasheet and ordering information for the MC33772CTP1AE and MC33772BTP2AER2 individually.
Where can I find verified technical data for these part numbers?
Verified technical data should be obtained from the official NXP product pages and datasheets, or from authorized distributors such as DigiKey, Mouser, TTI, or Future Electronics. Always cross-reference the specific ordering code to ensure the correct variant data is used.